pH, EC & TDS
Showing 17–32 of 94 results
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HM Digital Pro Series Pen style TDS/EC/Temp meter (HM-COM-100)
SALE 27% OFF! $55.08 Add to cart -
HM Digital Replacement pH sensor for HM-500/ HM-200 (HM-SP-P5)
SALE 22% OFF! $43.02 Add to cart -
Bluelab PeriPod M4 120ml/min per pump *CLOSEOUT* (BLPERIPODM4)
SALE 32% OFF! $884.79 Add to cart -
Microbe Life Hydroponics pH DOWN, 1 qt (ML21403)
SALE 24% OFF! $14.39 Add to cart -
HM Digital PH-80 pH/Temperature Meter (HMDPHM80)
SALE 35% OFF! $30.00 Add to cart -
HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter (HM-COM-300L)
SALE 19% OFF! $153.24 Add to cart -
HM Digital Replacement TDS/EC sensor for HM-200 (HM-SP-C2)
SALE 23% OFF! $34.68 Add to cart -
Cutting Edge Solutions pH Up, 1 qt, case of 12 (CES3701)
SALE 43% OFF! $90.98 Add to cart -
Aqua Master Calibration Solution pH 7.00 20ml Sachet (AMT1502)
SALE 26% OFF! $33.48 Add to cart -
HM Digital Pen style TDS/Temp meter with case (HM-TDS-3)
SALE 22% OFF! $15.60 Add to cart -
GroStar pH Probe Maintanence Kit (AI61170)
SALE 33% OFF! $16.00 Add to cart -
Aqua Master P160 Pro Combo Pen (AMT1018)
SALE 32% OFF! $88.32 Add to cart -
GH pH Up Liquid Gallon (4/Case) (722095)
SALE 47% OFF! $83.00 Add to cart -
GH pH Up Liquid Quart (12/Case) (722090)
SALE 47% OFF! $100.00 Add to cart -
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml) (HMDC1000)
SALE 14% OFF! $8.15 Add to cart -
GroStar GS4-E replacement pH/EC combo electrode (AI58040)
SALE 35% OFF! $52.00 Add to cart
Showing 17–32 of 94 results
