Critique my DWC tub + current problems, advise appreciated

First time DWC, dabbled with growing a bit in the past, now doing it a bit more seriously.

Roots were doing GREAT until about last night; I woke up this morning, the leaves were a little droopy so I was like WTF, lifted the plant and I saw all this slime and crap.

So basically, the 2 questions are

1) Got any recommendations for improvement?
2) Any tips re: root rot?

PH is currently 4.4 (dropped alot over night, letting it stablize), <300ppm, 80.5' (too high I know). I just put some ice packs in there and will probably do frozen bottles for a while. I also cleaned the roots this morning (the pics are from like 10 minutes ago), and sprayed them with h2o2 water.

Specs on the tub
10gallon rubbermaid, wrapped in pandafilm-type material, 2 24" flexible airstones.

Nutes/Other shit in the water
- RO water from the water store (0ppm = awesome)
- 1tsp superthrive
- 1.5tsp/gallon Sensi A+B
- A bit more than 10 tablespoons worth of 3% h2o2

Reserved space for more pictures/info/whatever i need to hit the 10 word limit

- A bit more than 10 tablespoons worth of 3% h2o2

Click to expand...

seems like too much... but i don't use it so i'll let someone else comment.

whatapothead said:

seems like too much... but i don't use it so i'll let someone else comment.

Click to expand...

The internets says 30ml/gallon. 15ml = 1 tablespoon, so 2 tablespoons/gallon x 5

At least, that's how the math worked in my head.

H202, for my 8 gallon DWC I would use 5 cap fulls (thats right, I measured in caps, no it wasn't important to measure for precision because 3% H2O2 isn't going to dramatically affect pH, and it's not gonna hurt my plant) every 4 days to prevent root rot. If you use organic nutes, H2O2 will destroy them.

put a couple drops of peroxide in your tank..a little goes along way...should clear right up..

Did ya say ph was 4.4? If so ouch! I like my res at 5.85 for takin up nutes. If you are gettin slime in your res here are a few things to look into.
1. Do you have enough air pumping in your res, (let your air pumps go 24/7)
2. Is my res light proof, Use paint or tape to make your res totally light proof!
3. Is my res to warm I like mine from 68 to 75 degrees, Looks you are workin on the latter,

I hope this helps ya man Bubbleponics is a great way to grow!

thanks to gypsy b

more bubbles

also run your plants with pure ro or distilled water for a few days I wouldnt use h2o2 anymore as well

ph to low drop your lights down closer

never have used peroxide... glad i haven't and great info there in PINK.

thanks man

Oddly enough, the situation seems to have improved a bit.

Plant is growing ahead, way less sludge and whatnot on the roots. Still not perfect, but I'm not so sure I'm keeping this around anyway until I can get a reliable way to drop water temps.

All I did was a ton of h2o2 in the water, spray h2o2/water mix on roots daily, and frozen water bottles twice a day.


But yeah, this definitely changed the way I look at DWC; keeping res temps down is gonna be a real challenge

looks like pythium to me or however you spell that. heard it dosent go away unless you switch plants hyrdoton and clean rez AND have healhy plants

you p.h is way to low thats not helping matters much. get to 5.8 or so also wat kind of temps are you workin with , rember that dwc needs to be 68-72