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Could I use a 400w maybe until they flower then change it to 600w when they toughen up a bit. I am growing in a tent so it is hard to keep the temperatures down. Would spraying the foliage in the light hours and and ocillating fan help with direct heat on the plants and also the room temp as a...

Recirculating Drip system

Whats your ideal Temps? and PH? I do adjust my PH down to around 6.0 but with my tap water being 8.0 before me treating it down to 6.0, is that making my water "damaged" for growing with?

AWESOME ADVICE!!! I don't think that they do see COMPLETE darkness but I am worried that the rockwool base isn't drying out between waterings and in saying that, It would mean the roots are drenched 24/7 and the roots go nowhere because of the root rot, that having been caused by...

It is a Hydro system but what is DWC?

35oC when lights are on and it drops down to 22oC over night. My water out of the tap reads 0.2 ppm and 8.0 PH reading. I know its abnormal but should I not be using this water at all?

Could it be overwatering do you think? I dont think its heat because I also have root rot.

Are these signs of moisture stress that Uncle Ben has spoke about?

My light is roughly 30cms from the tip of my plants. How much will Rockwool raise the PH? Does my pictures show signs of a PH that is too high?

My light is roughly 30cms from the tip of my plants. How much will Rockwool raise the PH? Does my pictures show signs of a PH that is too high?

I am copying a friends system that works perfectly... I am trying to figure how mine differs. Also, To date I have spent an absolute fortune and the bank is almost dry!!!!

I have now been TRYING to grow for over a year now and have been attacked with the same problem over and over. My leaves turn yellow and brown at the tips before completely dying and slowly dragging the whole plant down to shit. I have done research and tried to make my system into the most...