You should watch out for Alga it will grow on the rockwool cubes from the water and light. You need to have a gentle fan moving the air around your plants to strength up the stocks. Thick stocks allow for more nutrient up take when it's time to feed them nutrients.

I hope you are not feeding then yet?
Zandor Reviewed by Zandor on . First Grow - Ice 2000 - Advice Welcome Ok having read up i'm starting my first grow, 12 Ice planets in a NFT hydroponics growtent. First up, here's the setup ;) Rating: 5