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and ethers alongside fluoride
Thin-film composite construction delivers superior rejection rates compared to older cellulose acetate membrane designs
chemical resistance
monitor total dissolved solids (TDS) levels
Hanna (HI3812) Hardness Kit 110 Test W-Case 10 inch x 4.5 inch Big Blue Filters2675 and ethers alongside fluorideThe Hanna HI3812 Hardness Test Kit delivers laboratory grade EDTA titration testing for calcium and magnesium ions, providing 110 reliable tests across two ranges: 0 30 mg L and 0 300 mg L. Packaged with reagents, buffer solutions, and a durable carrying case, this kit enables precise hardness classification from very soft to very hard water conditions. SPECIFICATIONS Test Kit Performance Test Method EDTA Titration Chemical analysis standard Range
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