Hanna Instruments HI735-25 / 735-25 | Total Hardness Low Range Reagents (25 Tests) | Aquarium Testing

Hanna Instruments HI735-25 / 735-25 | Total Hardness Low Range Reagents (25 Tests)

Ensure accurate water quality monitoring with Hanna Instruments HI735-25 / 735-25 reagents. Designed for the HI735 Total Hardness Low Range Checker® HC, these pre-measured reagent packets provide everything you need to run 25 precise hardness tests in your aquarium. Ideal for freshwater aquariums, these reagents allow you to measure hardness in ppm as CaCO₃, helping you maintain proper mineral balance for healthy fish and plants.

• Includes reagents for 25 tests
• Compatible with the HI735 Total Hardness Low Range Checker® HC
• Pre-measured packets for consistency and ease of use
• Made with high purity chemicals
• Expiration date and lot number printed on each packet
• Accurate measurement of total hardness in ppm (mg/L) as CaCO₃

More Information

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FAQ

• Is this for freshwater or saltwater? The HI735-25 reagents are designed for freshwater hardness testing.
• How many tests are included? Each kit includes reagents for 25 tests.
• Can these be used with other checkers? No, they are specifically for the HI735 Total Hardness Low Range Checker® HC.