pH, EC & TDS
Showing 17–32 of 94 results
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HM Digital Replacement TDS/EC sensor for HM-500 (HM-SP-C5)
SALE 23% OFF! Original price was: $44.95.$34.68Current price is: $34.68. Add to cart -
Aqua Master P160 Pro Electrode (AMT1019)
SALE 28% OFF! Original price was: $49.95.$35.88Current price is: $35.88. Add to cart -
GroStar GS3 EC Pen (AI11030)
SALE 36% OFF! Original price was: $113.99.$73.18Current price is: $73.18. Add to cart -
Microbe Life Hydroponics pH UP, 1 qt (ML21399)
SALE 24% OFF! Original price was: $18.99.$14.39Current price is: $14.39. Add to cart -
GH pH Up Liquid Gallon (4/Case) (722095)
SALE 47% OFF! Original price was: $156.24.$82.60Current price is: $82.60. Add to cart -
GH pH Up Liquid Quart (12/Case) (722090)
SALE 47% OFF! Original price was: $188.16.$99.51Current price is: $99.51. Add to cart -
GH pH Down Liquid Gallon (4/Case) (Not for sale in GU VI) (722125)
SALE 47% OFF! Original price was: $156.24.$82.60Current price is: $82.60. Add to cart -
HM Digital Replacement Probe COM-300 (HM-SP-C3)
SALE 23% OFF! Original price was: $62.95.$48.48Current price is: $48.48. Add to cart -
GH pH Up 8 oz (12/Case) (722085)
SALE 44% OFF! Original price was: $127.08.$71.26Current price is: $71.26. Add to cart -
Cutting Edge Solutions pH Up, 1 qt, case of 12 (CES3701)
SALE 43% OFF! Original price was: $159.99.$90.98Current price is: $90.98. Add to cart -
Cutting Edge Solutions pH Down, 1 gal, case of 4 (CES3604)
SALE 44% OFF! Original price was: $134.99.$75.47Current price is: $75.47. Add to cart -
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml) (HMDC1000)
SALE 14% OFF! Original price was: $9.49.$8.15Current price is: $8.15. Add to cart -
Milwaukee Instruments pH 7 Calibration Solution, 20 ml Sachets, case of 25 (MI10007P)
SALE 50% OFF! Original price was: $22.99.$11.53Current price is: $11.53. Add to cart -
HM Digital Replacement pH Sensor Probe for HM-500 (HMDSPP5)
SALE 36% OFF! Original price was: $59.99.$38.51Current price is: $38.51. Add to cart -
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp (HMD500)
SALE 36% OFF! Original price was: $359.00.$230.05Current price is: $230.05. Add to cart -
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration (MIPH600BX)
SALE 33% OFF! Original price was: $32.99.$22.03Current price is: $22.03. Add to cart
Showing 17–32 of 94 results