Grodan Stonewool A-OK Starter Plugs Options:Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs) 100 micron accessory screen for

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

side lighting

• Stabilized for proper PH 6

European arc tube material outputs 2100 µmol/s (PPF 400-700nm) and 2330 µmol/s of (PBAR 280-800nm) when operated at 1000W

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

Grodan Stonewool A-OK Starter Plugs Options:Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs) 100 micron accessory screen forA 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.