pH, EC & TDS
Showing 81–94 of 94 results
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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 -
HM Digital PH-80 pH/Temperature Meter (HMDPHM80)
SALE 36% OFF! Original price was: $46.50.$29.87Current price is: $29.87. 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 -
Cutting Edge Solutions pH Up, 1 qt, case of 12 (CES3701)
SALE 43% OFF! Original price was: $159.99.$90.98Current price is: $90.98. 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 -
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 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 -
Aqua Master Calibration Solution EC 1413 100ml (AMT1101)
SALE 28% OFF! Original price was: $102.60.$73.44Current price is: $73.44. Add to cart -
Aqua Master Calibration Solution pH 4.01 500ml (AMT1303)
SALE 27% OFF! Original price was: $111.60.$81.60Current price is: $81.60. Add to cart -
HM Digital PH-STOR pH Electrode Storage Solution (HMOPSTOR)
SALE 36% OFF! Original price was: $8.49.$5.45Current price is: $5.45. 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 -
Microbe Life Hydroponics pH UP, 1 qt (ML21399)
SALE 24% OFF! Original price was: $18.99.$14.39Current price is: $14.39. 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 -
GH pH Down 8 oz (12/Case) (Not for sale in GU VI) (722115)
SALE 44% OFF! Original price was: $127.08.$71.26Current price is: $71.26. Add to cart
Showing 81–94 of 94 results