I would only do 18/6 if you cant afford the money to just have the light on for 24 hours, if you can afford it then I think you should do 24/0.
orangeman Reviewed by orangeman on . My first grow: 2 hydro, 2 soil (how do they look?) I brought four clones home on 1/20. Two of them are G-13 x mango and the other two are Romulan Haze. On 1/22 I bought 2 waterfarm hydroponic systems. I put one of each kind into a waterfarm and mixed up the nutrients recomended by General Hydroponics using distilled water. I left the other two in the cups I bought them in. I plan to transplant these two into three gallon pots in a few days. I am currently vegging them under a 400 MH supplemented by 4 23w CFLs. As for ventilation, I Rating: 5