pH & PPM

Showing 61–71 of 71 results

Safer Gro SG9920QT Ph Down Lowers Water
$19.65 Buy Now
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Viagrow VGPDD501 Natural pH Down Adjusting Crystals, 1 LB, LB, Green
Original price was: $14.99.Current price is: $14.15. Buy Now
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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
Original price was: $13.99.Current price is: $11.19. Buy Now
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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
Original price was: $30.99.Current price is: $18.99. Buy Now
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VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium, with ATC, Orange
Original price was: $24.99.Current price is: $12.99. Buy Now
Wide Range pH Indicator Solution: 30 mL Plus 2 Empty Capped Sample Vials — Includes Easy to Read 0.5 pH Increment Color Chart
$10.00 Buy Now
Yewhick WiFi Water Quality Monitor with Controller, Online pH TDS Monitor for RO Water System, Zero Water, Hard Water, Hydroponics System Agricultural Irrigation, Support Tuya APP Remote Control
$85.99 Buy Now
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YINMIK Digital pH Meter for Food, pH Probe for Sourdough and Bread Dough, Checking The pH of Fermenting Sausages and Salami, Waterproof pH Tester for Solid and Liquid Soft Soil Sample
Original price was: $54.98.Current price is: $45.99. Buy Now
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YINMIK PH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Hydroponics
Original price was: $31.99.Current price is: $25.49. Buy Now
YINMIK pH Meter, Digital pH Tester for Hydroponics, pH Temp Meter with Horizontal Display for Pool, Spa, Hot Tub, Indoor Plants, Koi Ponds, Drinking Water, Wine Beer Making, Aquarium, Aquaculture
$13.99 Buy Now
Sale!
YINMIK Water PH Meter, 3 in 1 PH TDS Temp Pen Type Tester
Original price was: $34.98.Current price is: $25.99. Buy Now