Pay in 4 interest-free payments of $11.25 Learn more
Ships within 48 hours · Estimated delivery Oct 28 - Nov 2
Removes up to 98%+ of all contaminants
The result is an optimized growing medium and root zone that work together to support high-performing plants
No batteries required
Stack may reduce transplant stress and improves plant vigor
Prevents freezer burn
HM Digital® Replacement pH Sensor Probe SP-P5 worm casting Removes up to 98%+ ofHM 500 Replacement pH probe 2 Meter 80 inch cable length Includes pH storage solution, 6 month warranty
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