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    Flood & Drain IWS - 100% Clay - Sterile or beneficial bacteria with a chiller?

    Hey guys, ive just purchased an IWS F&D 12 Pot system with the 25mm pipes and 1 minute timer and external controller. Ive ran a RDWC system with spray bars and airstones for the last 12 months sterile. Im wondering how people run these F&D systems nutrient wise. Do people go with...
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    What's the difference between a sterile rez and a beneficial rez?

    hi guys, the question is in the title ^^ i think i'd prefer running a sterile res - sounds simpler - but i'm not really sure of which nutrients to buy as none of the labels refer to the solutions as sterile or beneficial. i've been looking at the advanced nutrients range but need some to...