you should never flush with just pure water as going from a high ppm to just plain water will cause a great shock to your plants, whenever flushing do so with a a very dilute solution
skunke Reviewed by skunke on . The switch to organic I switched from General to Advanced, and back to GH and now I've made the jump to Botanicare's pureblend pro line. I am using the following: pureblend pro grow pureblend pro bloom soil karma sweet grotek's calmax and I bought Hydroguard, but it has floaty flakes in it, so I am going to bring it back to the shop and possibly exchange it... (not using it yet) There is a lot to figure out, and through this thread, I hope to fine tune the feeding schedule. The chart from Botanicare does Rating: 5