Collection: TDS & Water Quality Test Meters
Welcome to AQUA GUARD.
Water is the most essential element of daily life, yet every household, faucet, and appliance encounters entirely different water conditions and impurities. At AQUA GUARD, we believe that one-size-fits-all filtration is never enough; instead, we engineer targeted, high-performance water treatment solutions specifically designed for every unique scenario. From high-purity kitchen drinking systems and skin-soothing shower filters to heavy-duty whole-house sediment defenses and portable outdoor purifiers, we provide an all-encompassing lineup that ensures every drop of water in your space is safe, fresh, and flawlessly clear.
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YINMIK Water pH Meter, Digital 4 in 1 pH Temp EC TDS Meter for Hydroponics
Regular price $43.98 USDRegular priceSale price $43.98 USD -
20-in-1 Drinking Water Test Kit with App, Digital Water Tester for Drinking Water, Home Water Test Kit, Well Water Testing Kit, Water Test Strips for Lead, Hardness, Chlorine, Nitrate & more
Regular price $75.77 USDRegular priceSale price $75.77 USD -
Digital pH Tester for Water, pH Meter for Hydroponic Water
Regular price $59.16 USDRegular priceSale price $59.16 USD -
Digital TDS Meter, Water Quality Tester Pen for Water, Aquarium, Hydroponics and Pool-(White)
Regular price $21.98 USDRegular priceSale price $21.98 USD -
4 in 1 Tds Meter Digital Water Tester-TDS EC&Temp(°C/°F) Meter-0-9999ppm Accurate for Drinking Water,Hydroponics,Aquariums,RO Systems,Pool(Yellow)
Regular price $21.98 USDRegular priceSale price $21.98 USD -
Digital TDS Meter for Drinking Water, 2025 New Water Tester 4 in 1 TDS, EC & Temperature Meter, Accurate & Reliable 0–9990 PPM Meter, Ideal for Aquariums, Swimming Pool, RO/DI System, Hydroponics
Regular price $35.18 USDRegular priceSale price $35.18 USD -
SJ WAVE 22 in 1 Water Test Kits - 125 Strips Drinking Water Test Kit, Home Tap and Well Water Tester for Bacteria pH Hardness Lead Iron Copper Chlorine Cyanuric Acid
Regular price $43.98 USDRegular priceSale price $43.98 USD -
KETOTEK Digital pH TDS & EC Temp Meter for Water, pH Pen and PPM Tester TDS-EC-Temperature Meter, PH Tester with 0-14.00pH and 0.01 Accuracy, TDS EC PH Meters for Aquarium, Hydroponic, RO System
Regular price $35.18 USDRegular priceSale price $35.18 USD -
pH Test Strips for Testing Alkaline and Acid Levels in The Body. Track & Monitor Your pH Level Using Saliva and Urine. pH Tester for Highly Accurate Results in Seconds.
Regular price $32.93 USDRegular priceSale price $32.93 USD -
YINMIK Hydrogen Water Tester, 6 in 1 pH TDS H2 EC ORP Temp Meter for Water
Regular price $37.38 USDRegular priceSale price $37.38 USD -
2026 4-in-1 Digital Water Tester 2PCS, 0-9999PPM TDS/EC/Hardness/Temperature Meter, Water Quality Tester for Drinking Water, Pool, Aquarium, RO System, Hydroponics (Batteries Not Included)
Regular price $21.98 USDRegular priceSale price $21.98 USD -
YINMIK Digital pH Meter with Extra Replaceable Probe, Pocket pH Tester for Hydroponics, Accurate Water Tester for Swimming Pool Hot Tub Aquariums Home Wine Brewing
Regular price $57.18 USDRegular priceSale price $57.18 USD -
YINMIK pH Meter Salinity Tester pH Salt Meter with pH Salt Solution
Regular price $43.98 USDRegular priceSale price $43.98 USD -
2026 4-in-1 Digital Water Tester 0-9999PPM, TDS/EC/Hardness/Temperature Meter, Water Quality Tester for Drinking Water, Pool, Aquarium, RO System, Hydroponics (Batteries Not Included)
Regular price $17.58 USDRegular priceSale price $17.58 USD -
All-New 2026 TDS Meter Digital Water Tester – 4-in-1 Accurate & Reliable TDS, EC & Temperature Meter (°C, °F) 0-9990 ppm, Ideal for Drinking Water, Aquariums, Hydroponics, RO/DI Systems & More
Regular price $17.58 USDRegular priceSale price $17.58 USD -
Varify 17-in-1 Complete Water Test Kit – Water Tester for Drinking Water
Regular price $46.88 USDRegular priceSale price $46.88 USD