some have rocked it in dwc.but it sets on the bottum its a tea with cal mag added for mj i use it but it is not recommmended for hydro.....for use soilles and soil growers............................not a hydro nute................you been warned...............to much organic matter in hydro causez crazy ph flux.go with flora nova or something else .but not iguana in hydro.............1 out 10 succeed and hate hearing guys whine when they been warned its not a hydro nutepumpkin2006 said:Anybody actually use this stuff with real hydro? Like DWC or Ebb n' gro, NFT?