I bought them for a science lab; They appeared to be accurate but were a bit difficult to read. A few test pads fell off the strips so I'm splicing a star.
Fluval A7551 CO2 Indicator Kit
9 Review
FUNSWTM 7 in 1 Aquarium Test Strips: Accurate Water Testing for pH, Nitrite, Nitrate, Chlorine, GH & KH Levels
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๐ Hanna Marine Alkalinity Checker HC - HI772: Accurate & Efficient dKH Measurement
9 Review
Highly Efficient Seachem Purigen for Freshwater & Saltwater Filtration
9 Review
๐ U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
22 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
49 Review