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Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration is required
706128 & 706129)
Manufactured from durable UV protected HDPE plastic
This soil is amended with organic ingredients including bat guano
1 and above)
Grodan A-OK Pro 50/40 2 in x 2 in Plugs (50/Sheet) (30 Sheets/Cs) Successful calibration indicator is displayedA 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.
US$ 50.00
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