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- USA
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Ships within 48 hours · Estimated delivery Nov 13 - Nov 18
Reserve from the case
Ships within 48 hours · Estimated delivery Nov 13 - Nov 18
• Built in data logger stores high and low readings for CO2 PPM
Provides UV and Far Red outside of the PAR range
making them even quieter
and vigor by revving up biological function at the foliar and root substrate levels—in essence
HM Digital Replacement pH Sensor Probe for HM-500 Light Fixture • Built in data loggerHM 500 Replacement pH probe 2 Meter 80 inch cable length Includes pH storage solution, 6 month warranty
US$ 159.95
US$ 109.00
US$ 65.00
US$ 103.95
US$ 109.99
US$ 22.99
Pay in 4 interest-free payments of $12.49 Learn more