Colombo KH Pond Test KitColombo KH Test Kit is a liquid test for measuring carbonate hardness in freshwater pond water. Carbonate hardness contributes to the buffering capacity of the water, so regular KH testing helps pond keepers monitor conditions linked with pH stability.Key Benefits Measures carbonate hardness in freshwater ponds. Supports routine monitoring of pond-water buffering capacity. Simple liquid-reagent test format. Provides approximately 25 tests. Core Features Measures KH, or carbonate hardness. Suitable for freshwater pond water. Supplied with instructions for carrying out and interpreting the test. Technical Specifications Parameter: Carbonate hardness (KH). Water type: Freshwater ponds. Format: Liquid test kit. Number of tests: Approximately 25. Who is this product for?Colombo KH Test Kit is suitable for pond and koi keepers who want to monitor carbonate hardness as part of regular pond-water testing.Follow the enclosed test instructions.