hi ya mate all seems ok, but jus a few pointers i have only jus started dwc and i am lovin it my plants are growing faster than i thought possibe the leaves are like solar panels, so fat dark green.... 1st the pump wisper dont sound good wots that 60/l an hr??? i have 2 oxipots with a 150/l hr standard in each with a 500l/hr pump split between both of them, so thats 800 litres an hr per 2 plants, all hoses need to be light tight, also i have seen people say use half power nuets but i have been using more and more and it jus grows faster and faster, maybe the more o2 ya put in the more nutes it can take but thats not a defo, cheers mate keep updating.