Ryoken's White Widow no0b initiation, frmly Yellowing edges on seedlings

Grow Cycle
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sorry for the long post… :wink: I did do some searching and looked at the symptom pics…

my white widow girls are about 8 days old… germed 4, 3 seem to be doing pretty good, (the 4th seemed to only be growing 1/2, one fan leaf… but anyway, I was only looking to grow 3 really anyway…) the other 3 seem to be doing “ok”… starting to see roots reach the clear pots I have them in… I’ve been watering them every 2 or 3 days… using a soil moisture meter to help me not over water them, I hope :wink:

the last 2, 3 days, I’ve noticed some yellowing at leaf edges, and the tips of a couple fan leaves drooping… I can’t imagine it’s a deficiency at this age… but i’m not sure if they need some nitrogen or phosphorus maybe…they are in Fox Farm happy frog now, using distilled water… pretty sure the PH has been good, tho I haven’t been checking runoff yet… I plan to swap them to 7 gal smart pots with ocean forest in them at a couple weeks… I have the Go nutrient kit ready for when I need to start feeding them…

do these look ok?

current info

Strain; Type - White Widow

Soil - Fox Farm happy frog

What is strength of nutrient mix? EC, or TDS … none

Indoor

Light system, size? CFL’s for first 2 weeks, than 600w MH/HPS Solas Tek

Temps; Day, Night fluctuating between 72 and 80

Humidity; Day, Night about 50%

Ventilation system; Yes, Size 4" (6" hood cooling) not using yet…

AC, Humidifier humidifier not being used yet…

Co2; - will incorporate ProCo2 during veg

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thanks for taking the time and any insight! :slight_smile:

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Hey! Not looking too bad. When you say you’re pretty sure about PH, does that mean you’re not checking?

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I haven’t checked any runoff yet, I just started really giving them enough where it was running off the other day… I did check the distilled gallon initially and it was right around 6.9, 7… I have ph up/down, should I be looking for more like 6.4 to 6.6? and similar in runoff?

they are due for a water in the morn, so I guess I better start testing…

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I personally don’t measure my runoff simply because I don’t normally have enough. I may check soon. Anyway, that’s just my watering preference.

But, I always check the PH I’m watering with. 6.5-6.6 is the target. Definitely check every time and make it perfect :slight_smile:

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Great tip @Matthew420 :+1::ok_hand:

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ok, cool, thanks a bunch… I had a feeling, the 7 might have been a bit much…

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Check tomorrow before you water and let us know. If it happens to be over 7, which wouldn’t surprise me, I think fixing that will solve your problem moving forward.

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At some point, they might like more fresh air. I took my dome off around the size of yours. Just something to watch. Maybe you have humidity issues in the room or something.

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insightful, thanks man…

my humidifier is due tonight/tomorrow, so I plan to ditch the dome and try to get the room up and running properly in the next day or so… it’s been dry here, that closet outside the dome has been down around 15%… so I wanted to make sure I have the room one up and running first…

i think that’s gonna be the tricky part for me is the room… i have a 4" exhaust fan in the ceiling, a small circ fan for in the room if need be… and the intake is actually the large 1.5" gap under the door…

i have this kit pushing fresh air thru the hood and out thru my roof…

but i’m concerned about running the exhaust fan to pull fresh air in, keeping humidity good, while maintaining good temps… that’s been a challenge being winter here… i have a small thermed heater in there, but it hasn’t been needed really with the dome and CFL’s have kept it pretty good… but that’s not circulating fresh air in…

than i have to figure the CO2 pot into all that in a bit for veg, lol…

enough babble ;), i’ll update this with PH’s and effects… thanks again…

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Looks like a nice setup. Just play around with the vents and you’ll get it dialed in.

You might want to remove the link and just put a pic and/or description. You can only link items for sale from Amazon and 1 or 2 other places. Just an FYI.

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ok, thanks, didn’t know… i’ll do that…

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Also nice but read my post above :slight_smile:

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@Ryoken Matthew420 mean that only link that are permit here is from amazon, dealzer and aliexpress (not sure for the spelling of this one and it’s only for country that the other 2 are not offering delivery) it’s because these site are contribuate to found this site and helping for it stay publicity free.

Sorry for my unsolicitated opinion, but I thought it was important to do a little clarifying :wink::innocent::v:

~Al :v: :innocent:

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yeah, sorry about that… a rule i missed, makes sense… pic exchanged… logged in the cranium for the future…

thanks guys, i’ll report back in a couple days with results…

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The problem is likely that you’re not pH’ing your water properly

Distilled water is not adequate. You have to get your pH to 6.5, distilled water is around 7 it can be a little higher or lower but it’s not right for growing cannabis. hope this helps good luck

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I think the run off is pretty important to determine what the roots are sitting in. If you get a build up of salts in the soil from nutes, it will change the pH of the water that you add to what could be a significant amount high. That can lock out nutrients causing plant damage. One way to avoid that is to put in enough pH water or pH’d nutes that you have at least 10% of what you put in drain out the bottom. I put in a gallon of pH’d nutes in my grow today and back 350 - 400 ml and the runoff was 6.6. The plant is thriving. Might be worth considering. Jerry

PS: Is that a clear pot? It can cause problems with the roots from what I recall. Better to have a black or colored pot that doesn’t let light in.

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yes, clear pots… I hadn’t read that… I figured it would help me keep an eye out for rootbind… I tried to size them just a tad bit bigger than solo cups, with the intention of transplanting them at about 2 wks to 7 gal smart pots…

notated for the next run…:slight_smile:

just did my watering… yeah, the PH was off, but surprisingly to the other end of the spectrum… my good ph tester wont be here till Monday, but the color chart was indicating it was down in the 5.8 to 6 range… got what i think was 6.5… as of Monday i will be vigilant and accurate in my testing…

I will update this as I go… thanks everyone… need to fab a rollcage, ask away! first plant I’ve ever tried to grow in my life, lol!

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Don’t worry @Ryoken indoor light do not produce UVC and just a little bit of UVB and a translucid material will easely block all the remanent UV A and B.

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It’s not the light that’s harmful, only the UV , especially UVC . I am personnaly grow in translucid bac and with no harmful effects

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And I have a 1000W full spectrum with UV and IR chips LED light.

Hoping that’s enlighten you and help clarify some of your concern.

~Al :v: :innocent:

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I have a chart that puts the pH in perspective as to what level causes what nutes to lock out. I’ll try to put it in tomorrow. Getting tired and need to sleep. It is in the computer next to the Grow Box and my strawberry lady is sleeping and don’t want to expose her to light.

PS: If you use cloth pots, they trim the roots by themselves so they do not get root bound.

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I see three things wrong. You need air at this point. And over watered. And ph is off its in the 7’s. Well four. Need repotting. Plants in that type of plastic its suffocating. In a smaller pot like that need air holes all the way around

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