Grodan Stonewool A-OK Starter Plugs Options:Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs) Extremely energy-efficient

Extremely energy-efficient

the computer you're already data logging to will need permanent internet access

100 micron accessory screen for the Heavy Harvest Trim Tray (item code SW0050)

so you can view a larger area of you garden

Grodan Stonewool A-OK Starter Plugs Options:Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs) Extremely energy-efficientA OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro Blocks. A OK Starter Plugs come labeled with instructions in a shrink wrapped sheet that fits a standard 10 x 20 tray (flat). Note: Item #713020 is supplied without shrink wrap.