i have seen very successful grows with the agro 430
keeko Reviewed by keeko on . Please help after several failed attempts Ok so me and my girlfriend bought a hydro system about 3 months ago and have failed to yield, I think primarily because we don't have a timer for our hydro system so the water continues to feed to the rocks without stopping. I'm not sure where to get a affordable timer that will allow water to be transferred only ever so often. In addition the nutrients we have are what came with the system, and may not be ideal. So we've decided to move soil. We also had a failed attempt at soil which is Rating: 5