Grodan Stonewool MacroPlugs (Case of 35 Bags) Environment Honors the full color spectrum

Honors the full color spectrum of light

High-output 11-gpm flow rate at 40 psi is unmatched by other trigger valves

DO NOT connect the 12 volt dc power supply to the SPH-1

Coast of Maine Organic Products Liquid Squid Concentrate is a highly concentrated liquid fertilizer used to feed indoor house and tropical plants

combing multiple products into one effective easy-to-use solution

Grodan Stonewool MacroPlugs (Case of 35 Bags) Environment Honors the full color spectrumMacroPlugs are 1. 5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro Block hole. For best results, always insert MacroPlugs in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.