Thx for the info Zonk you are big deal :p Whole room wish one day to make too grow with these dimensions! :) I was asking cuz was thinking of sog as you do :p But my box is 90 lenght 98 wide 170 height with 1x400W hps and 1x fan for air circulation. I have maybe arround 4 gallon buckets from cheese for free to and made them a lot of holes maded with soldering iron. The soil is homemade compost with cow manure(3 years old) perlite sand, little stones, wood ash, egg shells and soil from shop mixed all in one. Thx again Pav :p