Substance Analysis Instrumentation

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VIVOSUN Digital PH Meter for Water, 0.05ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium
$13.99 Get Offer
Sale!
aichose Brix Refractometer with ATC, Dual Scale – Specific Gravity & Brix, Hydrometer in Wine Making and Beer Brewing, Homebrew Kit
Original price was: $20.99.Current price is: $18.99. Get Offer
Sale!
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
Original price was: $66.00.Current price is: $44.77. Get Offer
YINMIK PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, Waterproof DWC PH and EC PPM Water Tester with Backlit for Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium
$31.99 Get Offer
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified
$18.99 Get Offer
Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
$14.97 Get Offer
PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Yellow)
$12.99 Get Offer