pH, EC & TDS
Showing 81–94 of 94 results
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GroStar GS3 EC Pen (AI11030)
SALE 36% OFF! Original price was: $113.99.$73.18Current price is: $73.18. 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 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 GS1-E replacement pH electrode (AI58010)
SALE 36% OFF! Original price was: $50.99.$32.43Current price is: $32.43. Add to cart -
HM Digital pH 4.0 buffer solution – 20 packets of 20 ml (HM-PH-P4)
SALE 25% OFF! Original price was: $24.95.$18.60Current price is: $18.60. 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 -
HM Digital Pen style TDS/EC/Temp meter (HM-COM-80)
SALE 26% OFF! Original price was: $39.95.$29.72Current price is: $29.72. 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 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 -
Aqua Master E300 Pro EC Electrode (AMT1036)
SALE 31% OFF! Original price was: $79.95.$55.32Current price is: $55.32. Add to cart -
Aqua Master P110 Pro Combo Pen (AMT1013)
SALE 34% OFF! Original price was: $104.95.$69.48Current price is: $69.48. 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 -
HM Digital AquaPro TDS/Temp meter (HM-AP-1)
SALE 28% OFF! Original price was: $29.95.$21.46Current price is: $21.46. Add to cart -
GroStar GS1 pH Pen (AI11010)
SALE 33% OFF! Original price was: $115.99.$77.89Current price is: $77.89. Add to cart
Showing 81–94 of 94 results