pH, EC & TDS
Showing 17–32 of 94 results
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Aqua Master S300 Pro 2 Substrate pH/Temp (AMT1030)
SALE 30% OFF! Original price was: $139.95.$98.28Current price is: $98.28. Add to cart -
GroStar pH calibration kit (pH 4/7/10, 8 oz. each) (AI61115)
SALE 32% OFF! Original price was: $28.99.$19.61Current price is: $19.61. 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 -
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter (MIEC40)
SALE 28% OFF! Original price was: $108.99.$78.66Current price is: $78.66. Add to cart -
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 P110 Pro Electrode (AMT1014)
SALE 28% OFF! Original price was: $49.95.$35.88Current price is: $35.88. Add to cart -
Aqua Master E300 Pro Substrate EC/Temp (AMT1035)
SALE 30% OFF! Original price was: $149.95.$105.18Current price is: $105.18. Add to cart -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen (AI21040)
SALE 36% OFF! Original price was: $178.99.$113.83Current price is: $113.83. Add to cart -
Aqua Master Calibration Solution pH 7.00 20ml Sachet (AMT1502)
SALE 26% OFF! Original price was: $45.00.$33.48Current price is: $33.48. Add to cart -
HM Digital pH Electrode storage solution – 60 cc (HM-PH-STOR)
SALE 25% OFF! Original price was: $7.95.$6.00Current price is: $6.00. Add to cart -
Milwaukee Instruments pH600 Digital pH Pen (MIPH600)
SALE 27% OFF! Original price was: $31.99.$23.36Current price is: $23.36. 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 -
Aqua Master P700 Pro 2 EC PPM TDS Temp Electrode (AMT1022.2)
SALE 22% OFF! Original price was: $54.95.$43.08Current price is: $43.08. 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 -
Aqua Master Calibration Solution EC 1413 100ml (AMT1101)
SALE 28% OFF! Original price was: $102.60.$73.44Current price is: $73.44. Add to cart -
GroStar EC Calibration Kit (2.77 EC, 8 oz. each) (AI71117)
SALE 36% OFF! Original price was: $14.99.$9.62Current price is: $9.62. Add to cart
Showing 17–32 of 94 results