pH, EC & TDS
Showing 17–32 of 94 results
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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 -
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 -
Aqua Master S300 Pro 2 pH Electrode (AMT1031)
SALE 30% OFF! Original price was: $69.95.$48.78Current price is: $48.78. Add to cart -
GroStar GS4-E replacement pH/EC combo electrode (AI58040)
SALE 36% OFF! Original price was: $79.99.$51.35Current price is: $51.35. Add to cart -
GroStar pH calibration kit (pH 4/7, 8 oz. each) (AI61113)
SALE 36% OFF! Original price was: $18.99.$12.19Current price is: $12.19. Add to cart -
Aqua Master E300 Pro EC Electrode (AMT1036)
SALE 31% OFF! Original price was: $79.95.$55.32Current price is: $55.32. 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 -
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 -
HM Digital COM-100,PH-200, Protective Case & Solutions (HM-HPK-1)
SALE 23% OFF! Original price was: $179.95.$138.83Current price is: $138.83. Add to cart -
Aqua Master P50 Pro pH Temp Meter (AMT1000)
SALE 30% OFF! Original price was: $79.95.$55.92Current price is: $55.92. 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 -
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 -
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 -
Aqua Master Calibration Solution pH 7.00 100ml (AMT1102)
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 -
Aqua Master P160 Pro Electrode (AMT1019)
SALE 28% OFF! Original price was: $49.95.$35.88Current price is: $35.88. Add to cart
Showing 17–32 of 94 results