Please help! DWC Mentor needed

Please help!! I’m looking for a mentor, who uses DWC and GH nutes, to help me get through a grow. I’ve had a couple unsuccessful grows. I’m using DWC, Hydroton without Rockwool, chlorinated tapwater 120–150 TDS and GH nutes. Feel like I’m close. Just need a little help getting over the hump. THANKS!!

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Hi Bacon…I will try to help you…

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Thank you so much!! Check out my other posts for an update on my current situation. I need to change the res water today. Let me know what you think I should add please

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Meant to say DECLORINATED tap water

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just curious why you did another post if you already had one going … did you not get an answer ???

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These are my first posts. My original post was in the Troubleshooting category. Thought it might get more replies in the Grow Support category so I started one there too. Wasn’t sure how to add a category to the first post. I’ve gotten some contradictory replies so I was looking for one person to lead me to the promise land of big nugs

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ok so I don’t have to wade thru the other posts…what is it you are unsure about…

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I decided to go look at your other posts…there are many ways to grow DWC so here is my feeding schedule that I currently use mixed in a 5 gallon bucket of RO water…


this is what that grows…

start a log of what you do and see each day is something I am going to recommend so that you can look back and see what worked and what didn’t…how I grow may not be the best way for you but hopefully you can take away some knowledge to help you grow how you want…

now you girls …by chance are you picking up the net pots often because if you don’t have a rockwool cube in there sometimes the pebbles hurt the roots as they move…just something to consider…I would also suggest letting your chlorinated water air out … lets go from here…what say ye…

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Here’s the ladies current situation. I just lowered the water level and trimmed off the 2 dead leaves yesterday. I need to do a water change today. I’m at 440 TDS at the moment. What and how much




should I put in the water? I usually add Armor Si, wait an hour, add CaMg, wait 20 min, add GH Micro, wait 10 min, add GH Grow, then GH Bloom, add Diamond Nectar. Adjust pH, wait until it’s stable, then add rapid start and hydroguard.

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tell me how you exchange the water in your buckets…also do you take into consideration your base tap water TDS before you add nutrients… your way of adding your nutrients is in the correct order…I have not found that you need to wait that much time but I don’t see how it would hurt either…also the Armor Si, diamond nectar and rapid start may not be needed at this stage of plant life …something to consider in the future…

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For the water exchange, I aerate the tapwater for at least 24 hours first. Then I add the nutrients and get the pH correct. Then I dump and clean the current buckets, air stones, tubing with alcohol and hydrogen peroxide. Then pour the new solution into the bucket.

I’ll put whatever you tell me to put into the water. What should I add and how much? I was going by this chart and reducing it slightly to account for my starting TDS

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so aerating your tap is a good idea…that should clear your chlorine…you might try following my chart I gave you this change out and not using some of the extras…you can always go back…3-400ppm is what I would be running for the first 21 days…

I am going to suggest you don’t do all that at change outs…if you are using hydroguard and keeping the light out it should make it to harvest by just sucking the water out … do you see a lot of slime on your roots or in the bucket?

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No slime. I think my TDS were/are way too high. My week 2 solution was 700 TDS. I reduced it to 420 on 7/19. It’s crept up to 440 so it must be too high. I’d love to try your schedule and simplify some

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good no slime…at 700 with tap subtracted is a bit high and could cause some nutrient burn…I saw there was 1 long root coming out the basket and there should be more at this stage/time so we need to look at why is that as we move forward…

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oh and forgot to say since you are using tap water the Calmag may not be needed because the tap has enough of that already in it… usually we only put calmag in RO or distilled water because all that has been stripped out and the plant needs it but not a lot…

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Just made new mute solution. Hadn’t seen your latest message. I looked up my water analysis and I don’t think there’s much if any CaMg. I can post the analysis if you’d like to see it. Here’s the solution breakdown. 4 gal Water starting 150TDS , 8ml CaMg, 2 Micro, 2 Grow, 2 Bloom = total 350TDS. Adjusting pH now to 5.7 and then I’ll add 8 Hydro

I don’t move the net pots except when I change the water or take pics of the roots (which is hard to do while holding the net pot). I’ll take new pics of the roots when I swap the water. Figured I’d pour some over the rocks when I do the swap to flush the old solution

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to make sure I understand your setup…you have single buckets with airstones no external reservoir … is that right or do you have a external reservoir and pump…

no need to send tap water analysis…most areas have enough minerals left in… but not a problem to add a small amount of calmag like you show 1.5 tsp so I think that is good for you…eventually it will become difficult to lift your girls up to exchange the nutrient solution … how have you thought how you would do that when that time comes…going to suggest adjusting your starting ph to 6ph…

oh and tell me about your lights…

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My ph always seems to go up the first night from 5.8 to 6.1. For some reason it always seems to settle and 6.1. I don’t chase pH after I’ve set it, so I don’t kill the microorganisms.

I’m growing 2 Cheddar Cheese indica Born July 4. The water is ph 6.1, water temp 68-72 with 2 air stones in each bucket. AC ION FRAME evo3 on level 2. Air temp 75-77 daytime, 72 night. Lots of air circulation. My exhaust fan runs in level 1 24/7 and ramps up after 77° or high humidity. LVPD just under .8 (leaves running -2°). Control everything with ac infinity wifi controller.




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My hydrobuckets have an access lid and I have a water pump for water changes when they get big :crossed_fingers:t2: I keep my water cold by wrapping the buckets in ice packs or dropping frozen water bottles in via the lid. I’ll send some pics of the water level after I complete the swap. Still waiting on the pH to stabilize

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agreed and all other environment looks good …I also have the ACI controller and fans…so your girls are now 3 weeks old and ready to go to what I call veg 1 phase and nutes should be 6-700ppm now but leave like you have right now …
your VPD should be over 1 but less than 1.8 for the rest of your grow if you can keep it there… do you have a light meter to measure DLI like the photone app or something similar?

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