pH, EC & TDS
Showing 33–48 of 94 results
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Aqua Master Calibration Solution EC 1413 500ml (AMT1301)
SALE 27% OFF! $81.60 Add to cart -
Cutting Edge Solutions pH Up, 1 gal, case of 4 (CES3704)
SALE 44% OFF! $76.00 Add to cart -
HM Digital pH Electrode storage solution – 60 cc (HM-PH-STOR)
SALE 25% OFF! $6.00 Add to cart -
HM Digital 20 pack mix of 1000 ppm TDS, pH 4, pH7, pH storage solutions (HM-ASP-20)
SALE 28% OFF! $18.05 Add to cart -
Microbe Life Hydroponics pH DOWN, 1 qt (ML21403)
SALE 24% OFF! $14.39 Add to cart -
HM Digital Hydromaster 500 – Continuous pH/TDS/EC/Temp meter (HM-HM-500)
SALE 28% OFF! $257.40 Add to cart -
Aqua Master Storage Solution KCI 500ml (AMT1304)
SALE 25% OFF! $89.86 Add to cart -
GroStar GS3 EC Pen (AI11030)
SALE 35% OFF! $74.00 Add to cart -
HM Digital PH-80 pH/Temperature Meter (HMDPHM80)
SALE 35% OFF! $30.00 Add to cart -
Aqua Master E300 Pro EC Electrode (AMT1036)
SALE 31% OFF! $55.32 Add to cart -
Aqua Master P700 Pro 2 Combo Meter (AMT1020.2)
SALE 28% OFF! $197.46 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 -
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration (MIPH600BX)
SALE 30% OFF! $23.00 Add to cart -
GH pH Up 8 oz (12/Case) (722085)
SALE 43% OFF! $72.00 Add to cart -
Aqua Master Calibration Solution EC1413 20ml Sachet (AMT1501)
SALE 26% OFF! $33.48 Add to cart -
GroStar GS4-E replacement pH/EC combo electrode (AI58040)
SALE 35% OFF! $52.00 Add to cart
Showing 33–48 of 94 results