DWC plant problems! HELP!

ryan beamon · May 19, 2014

My plants are starting to wilt and curl at the edges a little. Im not sure if this is a ph, water temp, nutrient deficiency, or a lack of oxygen from my air stones. I also noticed it was mainly lower leaves that were wilting/curl. maybe I need to start trimming? Im not noticing any slimey roots or brown roots. The only slime ive noticed is a little bit on the black air hoses going to the air stone. I will add pictures and possibly video.
Specs:
27 gallon tub
1 month into veg
using gen-hydro nutes
lights 18 on 6 off
average room temp 85 degrees
average water temp 75 degrees
average Ph 6.1

ryan beamon · May 19, 2014

and here are some more pics

toaster struedel · May 21, 2014

Lower your ph to about 5.5, the temps are a little warm, but all and all they look ok. Is it just the lower leaves? Could just be they are heating up around that reflective surface. Try keeping the ph between 5.4 - 5.8

BenFranklin · May 21, 2014

Putting reflective material so that they reflect light to the underneath of the leaf isn't good, it can mess with the transpiration process.

Also, it looks like you MAY have a little Nitro burn going on. Leaf edges curling up and dark green growth are a good sign, and those plants look VERY green. Check your PH(I personally think 5.5 is a little low, 5.75 - 5.80 is about right), check your temps, if your temps can't get any lower, make sure the water is being agitated more to make up for the dissolved oxygen loss from higher water temps.

ryan beamon · May 21, 2014

BenFranklin said:
Putting reflective material so that they reflect light to the underneath of the leaf isn't good, it can mess with the transpiration process.

Also, it looks like you MAY have a little Nitro burn going on. Leaf edges curling up and dark green growth are a good sign, and those plants look VERY green. Check your PH(I personally think 5.5 is a little low, 5.75 - 5.80 is about right), check your temps, if your temps can't get any lower, make sure the water is being agitated more to make up for the dissolved oxygen loss from higher water temps.

I figured the reflective surface underneath would help the lower leaves get more light. Any suggestions on lowering the nitro? What about adding more water the the tub to dilute it a bit? And I have two air stone strips on the bottom. Which give pretty good agitation and circulation. But yeah that is the lowest I can get the temps to, well at least during the day when it averages 90+ outside.

ryan beamon · May 21, 2014

Also does anyone think I should start trimming? Or should I let them stretch some more? I plan on scrogging it in a few days if that makes a difference.

DWC plant problems! HELP!

ryan beamon

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