Do you know what Ph ? PPM ? Hardwater ? if you dont you should study on that .. before u do anything .. it all about the roots. for soil ph should be around 6.4 . for hydro the ph shuld be aound 5.5 or 5.6... PPM tell you how much nutes in water ...
I love it !! and pushing 20 % more power of light than any other ballast.. plus light weight can hang on wall and never get hot cuz it had 2 fans builded in .
Get the water filter from www.dnahydro.com they are cheap that where i ordered my .. Before I bought water filter from home depot and the ppm still 250 .. it not same kind of filter ... the filter at hydro shop have are not for human .. good luck .. nice set up ... but u need to keep all...