Grodan MacroPlug - 50 per Pack - Case of 35 Packs Sump Pumps Battery backup system 48 hours

Battery backup system 48 hours (for controller display and alarms only) Unit/shipping weight & dimensions

(x5) Dual-Purpose Hybrid Tumblers

Use chlorine-free water or in case of tap water let it bubble for about two hours

nutrients are used more efficiently by the plant

Grodan MacroPlug - 50 per Pack - Case of 35 Packs Sump Pumps Battery backup system 48 hoursGrodan MacroPlugs MacroPlugs are round, 1. 5 in. with a slit that allows easy insertion of a cutting. These round plugs fit perfectly into our Gro Blocks . For best results with these Macroplugs always insert them in the Grodan Gro Smart tray . The individual cells will make sure that the plugs stay closed around the stem of your cutting. What is Rockwool? Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy like fibers and then