SuperThrive is only good for one thing, 'rooting' ... I only use it when cloning, and only 1-2 drops per gallon ... highly over-rated, I have had it quickly kill my seedlings ... garbage :jointsmile:
the image reaper Reviewed by the image reaper on . Opinion on these ferts? Bustan - Toronto Hydroponics Grow Lights Nutrients Hydroponic Supplies Canada Rating: 5