Pay in 4 interest-free payments of $40.31 Learn more
Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
Any order that has solvent will not be shipped in an expedited fashion
Equal Parts: Always use equal parts of Athena Grow A & B to maintain proper mineral ratios
Toughened spear tip for direct root-zone measurements
Calibration of the pH is simple with the push buttons on the meter and fresh calibration solutions
HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp Bubble Magic Any order that has solventHydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter the most and providing very accurate readings that you can depend on. Continuous pH EC TDS Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM 500 pH EC TDS F Tester (113831) Tests pH at a range of 0 pH 14 pH, temperatures from 30 F 176 F, TDS from 0 9999 ppm and EC from 0 9999 S Stores up to 20 measurement
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