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I'm having some root problems and pH is a bit to high at 6.7. Is this because, of a new thing? I'm trying to fix the problems. Just lowered pH

I had a larvea infestation. I changed the water, and added h2o2 in the new batch. The larvea turned dark, but some are still alive. But more troubling is the color of my roots. pH also went from 5.5 to 6.9 in a day. Normally it should increased to around 6.0. Water temp is 20celsius. Roots still...

How do you guys clean your RDWC after a run? Just use H2O2 and let the pump run? Do you leave the airstones in it? They should be cleaned with H2O2 anyway so it wouldn’t hurt them. my main concern in my chiller. I read to use h2o2 or vinegar. I don’t want to damage the chiller with something...

How do you guys clean your RDWC after a run? Just use H2O2 and let the pump run? Do you leave the airstones in it? They should be cleaned with H2O2 anyway so it wouldn’t hurt them. my main concern in my chiller. I read to use h2o2 or vinegar. I don’t want to damage the chiller with something...

Did anyone had any experience with harvesting a yield that’s part “ruined” and part normal? It’s my first grow and I have ran into problems along the way. I stressed them out by either the lights or the Nitrogen toxicity, and I would say 70% of my buds are fluffy and have foxtails. This photo...

I thought I had a K deficiency. Changed the water in RDWC 3 days ago with more K. Problem is spreading nevertheless. First 2 photos is same leaf, 3 days apart. It has spread to multiple plants by now. the tank that feeds the RDWC is only 0.4 and has fed 60L into the system by now, so EC should...

pH and EC have been stable the last 3 days and the problem has gotten worse. I gave less nutes last water change because I thought I was overfeeding them. I have N tox which I try to fix.

It’s hydroponics. Day 33 of flower. pH dropped the last 24h with 0.1 to 5.7. EC was stable at 0.8 for whole 5 days since last water change. I laid down on nutrients because I thought I had nutrient burn. But it has gotten worse and keeps getting worse by the day. I’m at a loss here. I do have N...

So my plants always have been having a dark complexion with their leafs. Along with some other discoloration, which you will find in my post history. I started adding calmag because of the yellowing and burning of the edges, but this included some Nitrogen. Where the dark leafs would say that I...

Is this normal decay of the oldest leafs? I also have some twisted leafs, here and there on the top growth, and 1 leaf that has a part missing? I have some dark complexion on all the leafs. The ones that look bright green, is because of the camera. They’re all dark-green. I shrugged it off to...

All plants also have some twisted leafs here and there. I thought it was because of windburn. But this seems to be the work of a bug. I changed the water in my rdwc yesterday. Maybe it's related to that?

Currently in week 3 of flower. This one is close to the lamp, but does not seem to mind it. They pretty much stopped growing now. This is some problem that keeps showing up. I cut the bad leafs of. They don't have any light to begin with. The spots has been showing up steadily for 2 weeks.

What is this? Cal/mag deficiency? pH swings? Burned edges and tips. Some tips curl. Some leafs have holes in them. Rust colored specks also formed, which would point to calmag deficiency. But I already added calmag when mixing the solution (125ml for 200L, half of recommended). The problem...

So. I have been an idiot. I left my main light on (not the growlights). And this for 48 hours! I’m currently almost 14 days in too flower. I’m having them in 12h of darkness now. And then after 12h of light, I’ll leave 26h in darkness again. So that they get in their regular schedule (I need to...

https://im gur.com/a/CEi9Cfm (delete the space in the link) People in my previous post said it was fine. I don’t believe them. It’s getting worse. yellowish new leafs with wrinkles and they are shiny/glossy. i tried adding magnesium because I thought having a deficiency . Then I changed the...

What’s wrong with them? The new growth looks glossy and is discolored. I thought I had Nitrogen toxicity, but I changed the nutrient solution in my RDWC 4 days ago and it hasn’t improved. Growth has been slowed down the last couple of day. I just wanted to flip them to flower so it’s kind of...

I’m like 90% sure that it isn’t powdery mildew. But I would like to have some confirmation of other people. last week I noticed some white stuff on my fans. I thought it was dust of some drillings in the wall that I did, and got picked up. I didn’t vacuum all of it up. This week I saw my...

Does anyone ever done it? I’m planning to use GHE Silicate. But I have water chiller on my RDWC. Will there be build up? And if there is build up. Will flushing the chiller with vinegar clean it out?

So I wanted to change my water of the RDWC systen and saw that there were bubbles on the water in my tank, that has been sitting still for 5 days. It didn’t smell but I didn’t want to take any chance and pumped it out. I took a bucket with some H2o2 and water and cleaned the tank out with a that...