pH, EC & TDS
Showing 33–48 of 94 results
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GroStar pH Probe Maintanence Kit (AI61170)
SALE 36% OFF! Original price was: $23.99.$15.40Current price is: $15.40. 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 Hydromaster 500 – Continuous pH/TDS/EC/Temp meter (HM-HM-500)
SALE 28% OFF! Original price was: $359.95.$257.40Current price is: $257.40. Add to cart -
HM Digital Hydromaster Replacement EC/TDS Probe SPECIAL ORDER (HMDSPC5)
SALE 36% OFF! Original price was: $49.99.$32.09Current price is: $32.09. Add to cart -
HM Digital Replacement pH sensor for HM-500/ HM-200 (HM-SP-P5)
SALE 22% OFF! Original price was: $54.95.$43.02Current price is: $43.02. Add to cart -
GH pH Test Indicator 8 oz (12/Case) (Not for sale in PR) (722140)
SALE 47% OFF! Original price was: $174.36.$92.19Current price is: $92.19. Add to cart -
HM Digital Pro Series Pen style pH/TDS/EC/Temp meter (HM-COM-300)
SALE 27% OFF! Original price was: $159.95.$116.34Current price is: $116.34. Add to cart -
HM Digital Pro Series Pen style TDS/EC/Temp meter (HM-COM-100)
SALE 27% OFF! Original price was: $74.95.$55.08Current price is: $55.08. 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 P50 Pro pH Temp Electrode (AMT1001)
SALE 29% OFF! Original price was: $34.95.$24.72Current price is: $24.72. 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 -
GroStar GS2-E replacement Soil Spear pH electrode (AI58020)
SALE 36% OFF! Original price was: $181.99.$115.74Current price is: $115.74. 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 -
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 -
GroStar GS2 Soil pH Pen (AI31020)
SALE 36% OFF! Original price was: $256.99.$164.98Current price is: $164.98. 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
Showing 33–48 of 94 results