Colombo KH Plus is a fast-acting treatment that increases carbonate hardness (KH) in pond water, helping to stabilise pH levels. Maintaining the correct KH is essential for a healthy pond, as low levels can lead to sudden pH fluctuations that may harm fish and plants. Key Features: Increases carbonate hardness (KH) levels Helps stabilise and maintain consistent pH Supports a healthier environment for fish and plants 100% natural pond treatment Fast-acting and easy to apply Available in multiple sizes to suit different pond volumes By restoring KH to the recommended range of 6–8°DH, Colombo KH Plus helps prevent unstable water conditions. Regular monitoring and adjustment can reduce stress on aquatic life and improve overall pond balance. Dosage: 15 ml per 200 litres raises KH by 2°DH Dilute in lukewarm water before adding to the pond Do not pour directly onto plants Test water monthly and adjust as needed Available Sizes: 1L – treats up to 7,000 litres 2.5L – treats up to 17,500 litres 5L – treats up to 35,000 litres For ongoing stability once the desired KH level is reached, consider maintaining water balance with Colombo Balantex.
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