pH, EC & TDS
Showing 81–94 of 94 results
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Aqua Master S300 Pro 2 Substrate pH/Temp (AMT1030)
SALE 30% OFF! $98.28 Add to cart -
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp (HMD500)
SALE 36% OFF! $231.00 Add to cart -
GH pH Down Liquid Quart (12/Case) (Not for sale in GU VI) (722120)
SALE 47% OFF! $100.00 Add to cart -
Microbe Life Hydroponics pH UP, 1 qt (ML21399)
SALE 24% OFF! $14.39 Add to cart -
House & Garden pH Osmosis Stabilizer, 60 L (HGPHOS60L)
SALE 92% OFF! $76.00 Add to cart -
GroStar GS3-E replacement EC electrode (AI58030)
SALE 35% OFF! $35.00 Add to cart -
HM Digital pH Electrode storage solution – 60 cc (HM-PH-STOR)
SALE 25% OFF! $6.00 Add to cart -
GroStar GS1-E replacement pH electrode (AI58010)
SALE 36% OFF! $32.43 Add to cart -
Active Air 2-Way Moisture/pH Meter (MGMP1)
SALE 41% OFF! $7.00 Add to cart -
HM Digital Replacement pH sensor for PH-200/COM-360 (HM-SP-P2)
SALE 23% OFF! $34.68 Add to cart -
HM Digital pH 4.0 buffer solution – 20 packets of 20 ml (HM-PH-P4)
SALE 25% OFF! $18.60 Add to cart -
HM Digital pH 7.0 buffer solution – 20 packets of 20 ml (HM-PH-P7)
SALE 25% OFF! $18.60 Add to cart -
Aqua Master P110 Pro Electrode (AMT1014)
SALE 28% OFF! $35.88 Add to cart -
Aqua Master P700 Pro 2 Combo Meter (AMT1020.2)
SALE 28% OFF! $197.46 Add to cart
Showing 81–94 of 94 results