Grodan A-OK Pro 50/40 2 in x 2 in Plugs (50/Sheet) (30 Sheets/Cs) 1 and above)

1 and above)

Manufactured from durable UV protected HDPE plastic

This soil is amended with organic ingredients including bat guano

Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration is required

This is a kit that includes the Water Powered Doser and Starter Kit

Grodan A-OK Pro 50/40 2 in x 2 in Plugs (50/Sheet) (30 Sheets/Cs) 1 and above)A 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.