Main Cabinet Evolution

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Week2 since the flip started today (Monday).
Roots:

Bucket got a 1-gal partial res-change, & I increased the PPMs by around 25%. Plant has been moving around 15-20fl oz a day over the past couple days, & starting to eat more. pH has been wanting to move down but not too quickly yet, & has required minimal to no adjustments. I’m expecting it to crash at any time though, since the plant is starting to eat more, & also because the bucket is getting old. It’ll be due for a full res-change in three days.

Photontek, engage! :

It’s been cooler & humid for the past couple days, & the Kind was having trouble getting heat back into the box yesterday at 50% power roughly 100w, with the RH fan running a lot.

Today with the Photontek at 50% power 150w.
Unplugged the RH exhaust fan to dial in the main temp exhaust fan, made one adjustment to the main exhaust fan target at around 4:20 to get it to dump at around 80f. After that, plugged the RH fan back in & it took over until about 6:30 when it got hot enough for the temp exhaust fan to start hitting again:

I’ve been fiddling with the RH target, I had raised it a point a couple days ago, then I lowered it a half point yesterday, today I put the half point back.

Hung a Thermpro in the center again to compare to the wall unit:
Center:

Wall: Slightly warmer & drier readout here.

I might roll down the main exhaust temp target a degree, but it’s ok where it is now.

Added some adhesive clips for the fan sensor wire:

Stuck my matte white reflective panel to the black velcro. Testing below it with my meter showed a 25 ppfd loss without the panel, so I figured I may as well stick it on there.

She does seem to be getting bigger: That one top in the center against the back wall could be placed better, but I’m hoping I can steer it & the others around a little where necessary once they get bigger.

Starting to stretch a little also. This will be the first week with any red & far red light beams shining down, hopefully she doesn’t start stretching like a mainac. I’ll probably want to raise the light tomorrow morning. Some of the tops were seeing around 660ppfd, not accounting for the far red which my meter doesn’t read, she’s probably going to stretch a little tonight, & the dli chart calls for around 650 ppfd for this week.

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10-day full res-change was this morning (Thursday).
Roots:

PPMs went in a little hotter than they had been, & I upped the CalMag & Si a little as well. This will be a short bucket because there’s a ratio change coming up at the beginning of week3, which will be Monday iirc.
Found an uncommon blockage in the air line on the circ pump that I cleared easily.

Top-down view through the light bars:

I’m pushing that back-center top away from the wall with some green wire.

Been raising the fixture to maintain ppfd as the plant stretches upwards.

Also been moving the Thermpros to stay near the top of the canopy & at the same height as each-other. I’d like to pull the center one out of there asap since it blocks light, but the two have been far enough apart in their readouts over the past couple days, that it’s probably more interesting to keep them in there for now. With that in mind I’ve been checking the leaf temps a few times today at strategic times to see what they are doing & to get an idea of where the Leaf VPD is.

Center Thermpro:

Wall:

Made a couple other tweaks by adding another half point to the RH target. Also took a minute of off-time away from the osci fans, which tightened up the response of the RH system.

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Tomorrow (Monday) will be the beginning of Week3 since the flip, & the res will also be getting a full change & new ratio.

I did a 1 gallon partial change yesterday (day 3 since the last full change), & bumped up the ppm by around 20%. pH has been pretty easy to manage, although it was riding the buffers by the end of day 2 after the full change. That one was my fault, it was around 6.0 at the beginning of the day & I knew it wanted to run down, so I figured I’d track it every couple of hours to see how long it would take, & forgot about it until basically the end of the day. A quick adjustment & regular maintainance & it’s been fine since.

The box has been running mainly off of the anti-rh exhaust fan lately. The other day when it was drier out, I had to add some slope to either side of the RH controller target to get it to stop ping-ponging so much between the humidifier & the anti-rh exhaust fan, mainly because it was exhausting often enough to cause the box to have trouble gaining heat. Today it was humid so the fan was running a lot again, & also causing the heat to be lower than I wanted. But I’ve just been monitoring my leaf temperatures & They are still staying within a productive range, so I’m not too concerned. She’s been eating & drinking more & more every day.

Thermpro, center:

It started drying out & gaining heat by the end of the day.

I defoliated many of the larger fan leaves across the bottom, & partially pruned the ones folded against the walls already.

DLI chart wants 700 ppfd for week3, so I checked & adjusted the light accordingly. It’s been taking daily adjustments to move with the stretch.

I’ve also been working on trimming & jarring up what’s been hanging up in the drying tent. After two nights I’m still only about half-way done. Most of the small stuff is done. Lots of trimming to get them clean but they smell really good so far, like sweet-tarts & ivory soap. Taste is starting to develop & seems good, but they need some jar time & daily burping for a while before they’ll be fully cured.

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Finally got all of this done:

6.1 oz, but it’s carefully trimmed & basically no main stems. Also I smoked probably about a half ounce already, & I did lose one top cola to some cobwebs starting to form from within. I broke that one up & discarded the worst of it, soaked the rest in H2O2, then bagged it & froze it. I’ll run it last by itself when I make some bubble hash, & decarb it in the oven, make some cannabutter, then some hash brownies & I’m sure it will be fine. I have a few full sandwich bags of trim to run also. But I’m calling it 7oz. I still feel that’s low for the setup, but with the stretch issues (probably my fault by giving it too much red too early), & the fact that I never ran the light over 150w, It’s fine for now. If I had been on the ball with my damprid bag for the first couple days after the chop, I think I would have avoided the moldy cola top. I’ll have my eye on the jar holding the rest of the bud lower on that stem, & really everything else, looking for any more issues as I give them a daily burp for the next couple weeks.

P88 starting to show some signs of flowering:

Pic of roots during the res-change the other day: There’s some stuff on the central support/diffuser. Sometimes I clean it, sometimes I forget. I think it’s root-matter that gets plastered to the plastic from the water jet. I generally don’t have issues with root matter, but there’s always one or two little pieces that break off or whatever, every time you do something.

She’s been eating & drinking well, & pH has been manageable. I think she moved a half gallon today, & the add-back was a hotter mix in order to move the ppms back up. Res will be due for a 1-gal partial change tomorrow (Thursday).

Stretch slowed down a little over the past day, but only in week3 since the flip so I’m expecting her to keep going for now.

Thermpro, Center: Pretty much all exhaust has been anti-RH fan for the past couple days, but I checked & adjusted the main temp exhaust fan & it should kick on at around 80f with where the light & sensor are now. I added a little more spread & moved the RH target up a point to try & minimize the ping-ponging between the humidifier & the anti-rh fan. I might turn the lower osci fans from low to high soon, the plant is probably big enough. They have impact on how the box cycles rh-wise, so that might also help to reduce the ping-ponging. It’s not that big of a deal, butit can make it harder to build heat in the box when the anti-RH fan is turning on so often. I could add more spread to the RH controller if needed, but I’ll probably turn the osci fans up & see how it reacts to that first. It’s humid today ambient-wise, but should dry out again soon (& start to get colder).

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Made some bubble-hash: Top row is my fresh trim, 160, 73, 25 mesh size left to right for both rows.
(I might have the top two on the right out of order in the pic.)

Bottom row is second run of fresh trim, plus a small bag of nugs from the moldy cola, plus an old bag of sugar-leaf trim picked off of bud I’ve been smoking over the past few months. I dumped some h202 into the water of the second run after the first strain through the 220 bag.

After pressing out most of the water & letting them stand overnight, I put them on some ZigZag hemp joint papers for decarbing in the oven to catch excess oils which I have noticed are hard to get off of the glass. After the decarb, the four papes on the right might be interesting to roll joints with.

After baking, the pucks weigh .5, 1.2, 1, .8, .8, 1.7g going left to right, top to bottom.

Planning to make butter & then brownies out of the two 160s plus the other two from the old/mold run, so that’s around 3.8g total, & I’ll keep the other two fresh pucks to smoke or make more brownies later.

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Still cooling:

These should be pretty good. They don’t smell hashy, but the finer two pucks were chewy with trichomes when I made them into cannabutter. They other two, the 160s, were a little pithy. But they’re in there too.

I also smoked the least-hash-soaked joint & am pretty ripped from it. More powerful than the plain one I smoked earlier. This stuff seems pretty good though, & the flavor is decent now, but should improve over the next couple weeks.

Main Cab bucket got a 1-gallon partial res change today, & I bumped up the ppm by around 10%, but I might need to dial that back a little depending on how it eats & drinks tomorrow. It will be due for another partial change on Monday.

Pic from last night:

I removed a number of the biggest main lower fan leaves today.

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Today (Monday) begins Week4 since flip.
Roots! :

Bucket was due for a 1gal partial res-change (day7 since the last full res change), & will be due for a full res change on Thursday. I’ve been gently pushing the nutes up over the past few days, & pH has been easily manageable. Plant has been drinking 1/2 gallon+ a day recently.

Underneath: I’ve been removing big lower fan leaves, & waiting for it to stop stretching before I decide on how much of the lower bud sites I might want to remove. I’ve used some insulation to push some of the side branches off of the walls.

DLI chart is calling for around 775 ppfd, I’m seeing that around the rear center, & less elsewhere. I’ve been pretty good about trying not to overcook it with photons as it stretches.

Thermpro, center, past week: It has been getting colder & colder in there, both lights-on & lights-off.

I might add a point to the heater during lights-out. I have it set to not really run during lights-on, but I might change that if it gets too cold in there. I’ve mainly been checking leaf temps to watch for that. I might turn the light to 75%, but not really sure if I can do that. Soon I’ll be running the heat in the house more frequently, so that will help a little. I skipped the winter grow last year so forget what I did a couple seasons ago. I might have ended up running the heater plates during lights-on, I forget exactly.

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Decided to try running the light at 75% to gain some heat. This could backfire if it stretches a lot & I can’t adjust upwards accordingly. Then I’ll just turn it back down & run the heaters I guess.

I didn’t get into the box until about 4pm. the spike in temp earlier is probably the house heat kicking on. After I opened the box, I did my usual, adjusted the light, & closed it up to see how much it would gain. It got up to 78f with the anti-RH fan cycling regularly. Happy with that I went back in & cleaned things up, & unplugged the anti-RH fan so I could check & adjust the main temperature exhaust fan. After closing it up I had to go back in once to adjust the temp fan setpoint, & after that it cycled at around 80-81f, reading off of the central thermpro. Happy with that, I plugged the anti-RH fan back in. It’s been running regularly, & the temp has been heading upwards slowly instead of struggling & falling. Once/ if it hits 80-81f, the main exhaust fan should dump.

Hanging Thermpro, today:

Zoomed in, second half of day:

Plant is getting around 780 ppfd at the brightest spot at the top of the canopy, which is around the center of the back wall.

I also added a point to the heater controller target temp during lights-off.

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10-day full res change was yesterday (Thursday).

Had a little issue last night where I couldn’t get to the bucket until this afternoon, & pH ended up around 5.5 riding the buffers, with slightly lower water level & slightly higher ppm than usual, but the plant seemed ok when I cared for her today.

Pics from last morning after the res-change, it looked about the same this morning:

Thermpro, center, early today:
Getting better heat with the light at 75%, & I took about a half point away from the main temp exhaust fan target so it should dump closer to 79 or 80f vs 80 or 81f. I’ll probaby also add a point to the lights-out heater target. After that I might adjust the RH controller for a little more humidity during lights-on.

I ordered a 0-10v dimmer “medic grow” with finer control than my stock unit, I figure it will make life easier when trying to make adjustments. I also needed to get a conversion cable from Photontek & an rj-12 straight-through coupler. I looked around for a 90deg weatherproof rj-12 connector that I could attach directly to the dimmer & maybe gain a little clearance along the wall there, couldn’t find one, but all-in for under $30 shipped to my door I won’t care that much about the extra connector & extra 6’ of cable if it all works well. It should all be compatable & I’ll have everything within a week to test it with my kill-o-watt.

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Yesterday (Monday) begins Week5 since flipping. Res got a 1-gal partial change on Sunday & will get another on Thursday, then it will go a day long to reach the beginning of next week & a nute ratio change with a fresh bucket.
Roots!:

The plant has been moving probably around .75 gallon a day recently. I’ve been letting the PPMs rise gently over the past few days until yesterday & today where I’m going to hold them steady for now, running between 775 & 800, maybe a little more if it bounces over by the end of the day with a lower res. pH has been easy to manage with minimal adjustments, provided I don’t miss doing an addback & adjustment like the other day.

Top: I moved the central Thermpro back to the screen level to check things there & to get it out of the way of the light. I also installed another small white panel over the black velcro strip in the back corner. Also started to partially prune some of the larger fan leaves up top. Some of the tops are a bit close to the walls, but I’m using insulation sticks underneath to push the couple worst ones away.

The main tops seem to have stopped stretching for the most part. I’ve been pruning some of the larger lower & middle fan leaves as they get in the way. There’s a lot of stuff growing in the middle there, & I’ve been letting some of it go for now to avoid doing more harm than good.

Some of the lowest bud sites will probably get trimmed off, but I’ll probably leave most of them just to see what the light can do with them. Some of the lower leaves don’t look 100% happy with some downward-curling leaf edges, but going to let it ride for the most part. I did add a point to the heater target temp at night, & I lowered the RH target by a point (all times). I was thinking of raising it, but lowered it instead to try & reduce peak RH #'s during lights-out.

Thermpro, screen, past 24h: LIghts-out is on the left side. It will be warmer under there than the top of the canopy during lights-out because of the plate heaters. The big spike in the middle of lights-on is (I think) the house heat turning on.

Thermpro, wall, past 24h: I can estimate what’s going on in the center for now, based on past comparisons with this unit. If I want to stick one back in the center, it’s easy enough to do so. The big RH spike at around 2:30pm is me checking the high temp exhaust fan setting with the RH fan unplugged, after doing a light height adjustment. In addition to leaf temp checks to check efficiency & Leaf VPD, I’m also starting to scan the bud temps to keep them from overcooking.

DLI charts wants 825 ppfd. I lowered the light four clicks to get the top in the back right corner to see a little more than that, & the rest are either seeing around 825 or less.

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New dimmer parts acquired & installed:

Works great & has a good tactile feel from the on/off click detent through the ‘infinite’ sweep. The graduated demarcations (besides ‘MAX’) aren’t quite accurate if you go by percentages & current, but that’s easy enough to check & note, which I have already done for the most part. Right now it’s pulling the same current as before, 75% of ‘MAX’.

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Today (Monday) marks the start of Week6 since the flip, the res got a full change & a new nute ratio:

I also started adding a little Epsom Salts to the mix.
Plant has been moving around 3/4 of a gallon a day, a little more when the ambient air is drier. I’ve been running the PPMs around 800 give or take 25 on either side depending on what’s going on. pH has been running around 5.9 - 6.2 with minimal adjustments, although due to the fresh bucket it ran down to around 5.7 by the end of today before add-back & adjustment.

Hung a Thermpro in the center for the day today:
It’s been humid for the past couple days so the cab’s mostly been exhausting off of the anti-RH fan.

The main exhaust fan should dump within a few more tenths warmer, although I moved the light today & should check that & make an adjustment at the controller if needed. Hottest bud top has been in the back right corner, it was hitting 82.5 today so I’ll probably work off of that.

DLI chart wants around 900 PPFD. I physically lowered the fixture until the tallest tops were seeing that, about four or six clicks. I could have bumped up the dimmer which would have been easier but less efficient, & I don’t need the extra heat right now.

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Today (Monday) marks Week7 since the flip.
Roots:

Res got a 1gal partial change today, & will get a full change in three days. Plant has been drinking 3/4 to 1 gallon a day. I’ve been rolling down the PPMs over the past couple days to around 775 at addback, & will try to keep rolling it down maybe 10 ppm per day. pH has been predictable & easy to manage; the bucket wants to get a little more acidic at this stage.

Not sure how well this thing is doing.

It’s not bulking up much, & I’ve been suspiciously eyeing those patches of red hairs that started popping up over the past week or two. Not sure if that’s normal, or if this thing caught some pollen from a herm or last grow’s nanners. I wiped down a few surfaces with wet paper towel looking for yellow dust & found none. Wondering if it has some bud rot or something. I am getting some higher RH & cooler temps at & above the canopy during lights-out. I added some RPM to the black stirrer fan up top to keep air moving up there, worried about condensation.
The calyxes with the orange hairs still look healthy, so maybe not bud rot. Also the hairs don’t seem to be retracting, so maybe not pollen. Fleur Du Mal lists the Princess88 as finishing after 8 weeks, a week or so more quickly than the Bubblegum I ran last time, so maybe normal.

There’s definitely too much stuff underneath, not getting enough light & hurting airflow between the upper & lower areas of the box. This plant had a lot more long side-branching than I was expecting, & with the 8 mains, things have gotten a little congested. I’ve been removing most of the big fans & other leaves that look bad down there, but a lot of the lower leaves don’t look so great.

Hoping the tops bulk up a little more.

DLI chart wants around 950 ppfd for this week. Initially I turned up the power a little, but then decided to turn it back down to 75% power & physically lower the fixture, which let me lower the osci fans down closer to the tops. The tallest top in the back right is seeing either side of 1000, & the rest are seeing either side of 900.

Thermpro was looking a little crazy for today so I didn’t grab it, but I hung one in the center & it was running about a degree warmer & around 5% higher RH than the wall hanger. Air temp across the top of the canopy has been around 79 or 80f, RH has been around 50 -55%. Hottest bud temp got up to 83f, the tall one in the back right corner. Leaf temps across the top have been around 72 to 75f, depending on where & when I check them. Offsets across the top have been anywhere from -5 to -8, depending on where & when checked.

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Some Thermpro readouts, since I skipped them yesterday:

Screen Thermpro, past 24h (Down on the screen, not hanging in the center):

Wall Thermpro, past 24h:

Wall Thermpro, past week:

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Res got a 10-day full change today.
Roots:

This will be a short bucket. It’ll get a 1-gal partial change in three days on Sunday, then on Monday it will get another full change with the final nute ratio. PPMs are down to around 700 - 720, & I’ll probably keep it around there until at least the next res change. pH was around 6.2 after the change & ran down to around 5.8 by the end of the day, so I set it to around 6.3, & it’ll probably be down around 5.8 in the morning when I’ll run it back up again.

Canopy:

Closer shots of some of the tops. I think I can rule out bud rot & pollination. The red hairs still haven’t retracted, I’m not finding signs of pollen, & the buds have pushed out some newer flowers, & the sugar leaves aren’t rotting off from the center of the buds. The tops seem to be finishing at different rates, I guess. I don’t know why some of them seem to have patches of red hairs early, unless it’s characteristic of earlier-finishing weed which I don’t think I’ve ever grown before until maybe now.

I turned up the light power slightly to get most of the canopy between 900 & 1000 ppfd now, with the tallest bud in the corner getting a little more. On Monday It’ll get turned down, following the DLI chart.
That added a little heat to the box, but not enough for the main exhaust fan to cycle regularly. The anti-RH fan has been doing most of the work lately. It’s fine either way. Lights-off is still a little wild with the higher RH at & above the canopy. That’s mostly as a result of a combo of things, RH controller sensor location (below canopy), plate heaters running (below canopy), intake air being dry (below canopy), not so great air exchange between the above & below the canopy, lots of vegetation, transpiration moving upwards (the heaters seem to force the plant into transpiring a bit even in the dark), etc…
I’m keeping an eye on it, haven’t seen any major problems because of it yet, not sure how bad it is for the plant though, like if it’s stunting it or causing early red hairs or something.

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Week8 since the flip began yesterday (Monday), res got a full change & final nute ratio today.
Roots:

I’ve been bringing the PPM down a little faster than I had planned, running around 600 now. pH last week has been wanting to run down, & setting it up to around 6.4 to 6.5 before lights-out & again at lights-on seems to be enough to prevent it from crashing down to or through the buffers.

The plant does seem to want to finish a little earlier than I’m used to:

It is listed as an 8-week plant on the FDM website, but I just automatically think it probably means “8+2” whenever I see that anywhere, or that I’ll grow it & it’ll be 10 weeks anyway, etc. I’ve probably been behind on my nutes & light schedule if it wants to finish sooner than later. I’ll have to do some research on faster finishers for the next time if/when I give this strain another go. I haven’t even started looking at the trichs yet but just looking at how the plant has been doing lately, it looks like it might be ready in a week or 10 days.

Canopy: I’ve been partially & fully pruning fans as they start to fade.

Leaf Temp Offsets are starting to tighten up on the less viable leaves, although the greener stuff is still running cooler.

Bud in the right corner:

This is the bud that seems to get the hottest bud heat-soak. The box got a little warm the other day, & this bud got up to 85f, so I lowered the main exhaust temp setpoint then by a half degree or a degree, & that brought things down for the most part. Usually that bud has been around 82f or so, maybe a little hotter or cooler depending on what’s happening.

Wall Thermpro, past week:

Wall Thermpro, past 24h:
The center of the canopy is running probably a degree warmer, & 5% higher RH than the wall Thermpro (during lights-on).

Pic from a couple nights ago:

Only difference between then & now is that I dialed down the light wattage according to the dli chart to try & get around 835 ppfd across most of the canopy. The tall bud in the right corner is seeing more, the rest of the canopy is either around there or slightly lower.

In other news I got a new 12" binger today :

Thing seems pretty freaking dope, even though it’s made in china.

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Hope everyone had a safe Thanksgiving!
Day three since the full res-change, so it got a 1-gal partial change today.
Roots:

I’ve brought the PPMs down to around 475 to 500. pH has been manageable, as long as I drive it up high enough at the beginning & end of the day.
It’ll be due for another partial change in four days, which will also be the end of Week8, & we’ll see if it’s done or not by then. I think it’s going to need a few days into week9, but time will tell.

Canopy before lights-out:

Been mostly just partially clipping dying fan & sugar leaves, & also fully removing some.

The rest of the pics are from this morning:

It’s a little congested heading through the lower right area:

Wall thermpro, past 24h:

Also picked up a downstem variety-pack for my new bong:

Stock stem is on the left. It’s a little weird as it sits fully into the joint, so it can’t be clipped without leaking. The multi-pack stems sit a little higher to allow clippage, & included a swiss-cheese, small matrix diffuser, 6-slot vertical, rifled, & a 5-arm tree. There are also optional ‘pearls’ to drop inside to reduce flow on those with the open center ends.

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Today (Cyber-Monday) marks the beginning of Week9 since flip. Trichs say she’s not ready yet, so the res got a 1-gal partial change today, & will be due for a full change in three days (Thursday), depending on what the trichs are doing.

I’ve brought the PPMs down gradually over the past few days to around 375-400 for today, & probably going to keep it there until the end. pH has been a little tricky & got me a couple times where it sneaked down to around 5.3-5.5 a couple times, but probably could have been avoided had I been more committed to running it up to 6.5 the prior morning/evening. I was also waylaid for one cycle where I couldn’t get to it until the next day. Oddly enough it held stable that time, so I got tricked & tried to reduce driving the pH up quite as high every time for the next two or three cycles, & it ran down further than I expected a couple times.

Underneath:

Side:

Canopy: Lots of partial & full leaf pruning over the past few days. She’s been fading quickly as the PPMs have fallen.

DLI Chart calls for around 725 ppfd this week, so I turned down the power at the dimmer accordingly.

The tall cola in the back right corner is seeing a little more than 725. With the reduction in power, it’s also heat-soaking a little less than before, I recorded it at around 81.5f today when the surrounding air temp was around 78f.

Wall Thermpro, past 24h: The anti-RH fan was able to run down the air-temp further through cycling, due to the reduction in light wattage.

Wall Thermpro, past week:

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Quick update, I’m starting to see some orange trichs on the flowers! Things are starting to get floppy at 400ppm, so I added more floss guy-wires to pull some of the tops away from the walls & each-other:

More leaves have been removed, & tomorrow will be another round of defoliation.

I also swapped out some insulation sticks with longer ones to push some of the lower tops off of the walls:

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Full res-change today, PPMs ~375:

More pruning & guy-wires:

Wall Thermpro, past week (dead batt. on Thurs):

Trichs are saying that she should be done soon.
I’m thinking I’ll be ready to chop her down within the next three or four days.

Also I picked up some more stuff for my new bong.
A silicone plug & brush kit for cleaning:

An #8 drilled silicone stopper, & a 14mm whip kit:
Everything seats securely, & the draw isn’t restricted.

An 18-32 Keck clip from TAG (only place I could find one that size):

And finally, this contraption:

I’ve already modded the handles, replacing the long/long stock combo on the ‘engine’ for the short/short stock combo from the ‘matrix diffuser’, & then making my own super-short handle for the diffuser using a 3/4" cedar ball & a stock short handle hardware kit.

Injector:

Diffuser:

Mini-diffuser: I’ll probably start off with this one.

Bong isn’t phased by the extra weight, doesn’t want to tip over.