pH, EC & TDS
Showing 1–16 of 94 results
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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 -
Aqua Master P700 Pro 2 pH Electrode (AMT1021.2)
SALE 24% OFF! Original price was: $59.95.$45.84Current price is: $45.84. Add to cart -
GroStar pH Probe Maintanence Kit (AI61170)
SALE 36% OFF! Original price was: $23.99.$15.40Current price is: $15.40. Add to cart -
HM Digital Pro Series Pen style pH/Temp meter (HM-PH-200)
SALE 24% OFF! Original price was: $99.95.$75.60Current price is: $75.60. Add to cart -
Aqua Master Calibration Solution pH 4.01 20ml Sachet (AMT1503)
SALE 26% OFF! Original price was: $45.00.$33.48Current price is: $33.48. Add to cart -
Aqua Master Calibration Solution pH 7.00 500ml (Case of 8) (AMT1302)
SALE 27% OFF! Original price was: $111.60.$81.60Current price is: $81.60. 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 -
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester (HMDCOM80)
SALE 30% OFF! Original price was: $42.95.$30.05Current price is: $30.05. Add to cart -
House & Garden pH Osmosis Stabilizer, 60 L (HGPHOS60L)
SALE 93% OFF! Original price was: $1,012.20.$75.51Current price is: $75.51. Add to cart -
GH pH Down 8 oz (12/Case) (Not for sale in GU VI) (722115)
SALE 44% OFF! Original price was: $127.08.$71.26Current price is: $71.26. Add to cart -
Microbe Life Hydroponics pH DOWN, 1 qt (ML21403)
SALE 24% OFF! Original price was: $18.99.$14.39Current price is: $14.39. Add to cart -
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml (MIMA9004)
SALE 21% OFF! Original price was: $14.35.$11.40Current price is: $11.40. Add to cart -
GroStar GS1-E replacement pH electrode (AI58010)
SALE 36% OFF! Original price was: $50.99.$32.73Current price is: $32.73. 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 7.01 Solution, 230 ml (MIMA9007)
SALE 29% OFF! Original price was: $14.35.$10.23Current price is: $10.23. Add to cart -
Cutting Edge Solutions pH Down, 1 qt, case of 12 (CES3601)
SALE 43% OFF! Original price was: $159.99.$91.84Current price is: $91.84. Add to cart
Showing 1–16 of 94 results