pH, EC & TDS
Showing 17–32 of 94 results
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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 Hydromaster Replacement EC/TDS Probe SPECIAL ORDER (HMDSPC5)
SALE 34% OFF! Original price was: $49.99.$33.00Current price is: $33.00. Add to cart -
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 -
Cutting Edge Solutions pH Up, 1 gal, case of 4 (CES3704)
SALE 44% OFF! Original price was: $134.99.$76.00Current price is: $76.00. 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 -
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 -
GroStar GS1 pH Pen (AI11010)
SALE 33% OFF! Original price was: $115.99.$78.00Current price is: $78.00. Add to cart -
GH pH Control Kit (12/Case) (722080)
SALE 47% OFF! Original price was: $273.00.$145.00Current price is: $145.00. Add to cart -
HM Digital Replacement pH sensor for PH-200/COM-360 (HM-SP-P2)
SALE 23% OFF! Original price was: $44.95.$34.68Current price is: $34.68. Add to cart -
GH pH Down Liquid Gallon (4/Case) (Not for sale in GU VI) (722125)
SALE 47% OFF! Original price was: $156.24.$83.00Current price is: $83.00. Add to cart -
GroStar GS2 Soil pH Pen (AI31020)
SALE 36% OFF! Original price was: $256.99.$165.00Current price is: $165.00. Add to cart -
GroStar GS3-E replacement EC electrode (AI58030)
SALE 35% OFF! Original price was: $53.99.$35.00Current price is: $35.00. Add to cart -
HM Digital TDS-3 Handheld TDS meter (HMDTDS3)
SALE 47% OFF! Original price was: $33.99.$18.00Current price is: $18.00. 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 -
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp (HMD500)
SALE 36% OFF! Original price was: $359.00.$231.00Current price is: $231.00. Add to cart -
Aqua Master P700 Pro 2 Combo Meter (AMT1020.2)
SALE 28% OFF! Original price was: $274.95.$197.46Current price is: $197.46. Add to cart
Showing 17–32 of 94 results