VEG+BLOOM HD BASE 100LB Rock Use equal parts of Rock

Use equal parts of Rock Star A to Rock Star B

It has a 25

Gavita Controller Cables attach the Gavita Master controller (EL1 & EL2) to the Gavita E-Series ballast

Extremely reliable

mold growth and food spoilage

VEG+BLOOM HD BASE 100LB Rock Use equal parts of RockHD H(ard)D(irty) is built with a combination of components from our TAP HARD and DIRTY formulas. Best for rock wool, grow stones, and other inert hydroponic media. While the HD formula has the potential to yield the best quality results, it can be more difficult to use than the other formulas. PH tends to swing and it must be kept in range in the reservoir and within the root zone. Smaller container size is ideal for keeping root zone pH in range