pH, EC & TDS
Showing 65–80 of 94 results
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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 -
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 E50 Pro EC Temp Meter (AMT1005)
SALE 30% OFF! Original price was: $74.95.$52.68Current price is: $52.68. 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 -
HM Digital pH 7.0 buffer solution – 20 packets of 20 ml (HM-PH-P7)
SALE 25% OFF! Original price was: $24.95.$18.60Current price is: $18.60. Add to cart -
Active Air 3-Way Meter (MGMLP1)
SALE 49% OFF! Original price was: $13.09.$6.70Current price is: $6.70. Add to cart -
GroStar GS3 EC Pen (AI11030)
SALE 36% OFF! Original price was: $113.99.$72.49Current price is: $72.49. Add to cart -
HM Digital TDS 1000 ppm calibration solution – 20 packets of 20 ml (HM-CP-1000)
SALE 25% OFF! Original price was: $24.95.$18.60Current price is: $18.60. Add to cart -
Aqua Master Calibration Solution EC1413 20ml Sachet (AMT1501)
SALE 26% OFF! Original price was: $45.00.$33.48Current price is: $33.48. 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 -
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 -
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 -
Aqua Master E50 Pro EC Electrode (AMT1006)
SALE 28% OFF! Original price was: $29.95.$21.66Current price is: $21.66. Add to cart -
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration (MIPH600BX)
SALE 33% OFF! Original price was: $32.99.$22.03Current price is: $22.03. 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 -
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
Showing 65–80 of 94 results