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I've never done seed to rockwool, only seed to dirt or peat. How long are they before you plant them?

Texas, that's usually a symptom of old seeds.

I went with canna AB and their coco (all they really had). Canna coco is the fine stuff so even a pot not much bigger than the roots will hold more than a days supply of water (guessing by comments from others). I'm still considering if I should take it back and get coir or a blend. What's...

So that's coco/perlite using smart pots hand watered with hesi coco and cal/mag 5 ml drain to waste. Sounds simple, lets see how I can screw this up too. I've had good luck with dwc until lately. I used RO water out of a store machine and have been battling rr since in the last 2 grows...

"at home i have used straight hesi coco..." I was betting it was simpler than all the crap they were trying to push. Big growers must get root rot too. How do you treated it?

Geesh, Hesi's formula schedule is one of the hardest to understand I've seen. Do you use all that or just their grow and bloom?

The second and third post on this thread have to be the funniest things I've read in awhile. I'm still cracking up.

Igothydrotoneverywhere, funny id because it really is a pain like that :) Anyway, I do want to get away from dw and hydroton so I'm thinking coco/drip. I've heard coco absorbs magnesium, what's your secret sauce for it?

When they are super young I usually just get small buckets from the dollar store, it's easier to keep the water at the right level with those, then move them to the big buckets once they grow enough roots. You don't want the rockwool in water, it will suffocate the roots. Just water the...

What should be added, and I'm surprised it isn't consider mandatory when plants are small, is you need to cover the black bucket tops with cardboard. This helps immensely to keep the water temperature down, blocks light so the rockwool doesn't get moldy, and the brown cardboard doesn't reflect...

What does everyone do with their old HPS and Halide bulbs???

Powdery spots have suddenly appeared on a lot of the leafs all over my flowering (5 week) indoor hydro plants. What should I treat this with?

I don't understand why you keep suggesting such long cure times, sometimes months? As I understand it, the fresher it is the higher the hyper THC effect is while the older it is the more the THC/V brakes down to CBC/CBD, which seems to cause more of a sedative effect.

If they are in containers you can spray common bug killer on the ground around the containers.

If you want a speedy kind of high and can handle anxiety go with clear with some cloudy. I never used to get anxiety from it and loved the speedy high.

Know your water. If you're using RO water (reverse osmosis) then you'll need calcium and magnesium. If you're using tap water, chances are it will be slightly hard and have enough calcium and mag in it.

Thanks for the info, I do not know anything about the chillers (noise or power usage). I am hoping it was just a fluke that the mold grew in the first place. I've grown hydro in the same temps about 3 times and never had that problem. I kind of like the idea of the ac to make sure it comes...

So a 70 deg room temp should equal a 70 deg water temp?

OK, thanks.

So just having a single pipe going in and out first bucket to next bucket till last one goes back to res may cause uneven water levels?