{"product_id":"colombo-kh","title":"Colombo KH Plus Pond Carbonate Hardness Booster | Stabilises pH \u0026 Water Quality","description":"\u003cp data-start=\"0\" data-end=\"268\"\u003eColombo 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.\u003c\/p\u003e\n \u003cp data-start=\"270\" data-end=\"287\"\u003e\u003cstrong data-start=\"270\" data-end=\"287\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-start=\"288\" data-end=\"565\"\u003e\n \u003cli data-section-id=\"1wjkurz\" data-start=\"288\" data-end=\"332\"\u003e\n Increases carbonate hardness (KH) levels\n \u003c\/li\u003e\n \u003cli data-section-id=\"1u18wxq\" data-start=\"333\" data-end=\"379\"\u003e\n Helps stabilise and maintain consistent pH\n \u003c\/li\u003e\n \u003cli data-section-id=\"53zsi\" data-start=\"380\" data-end=\"436\"\u003e\n Supports a healthier environment for fish and plants\n \u003c\/li\u003e\n \u003cli data-section-id=\"32s9h8\" data-start=\"437\" data-end=\"468\"\u003e\n 100% natural pond treatment\n \u003c\/li\u003e\n \u003cli data-section-id=\"zs8gl5\" data-start=\"469\" data-end=\"502\"\u003e\n Fast-acting and easy to apply\n \u003c\/li\u003e\n \u003cli data-section-id=\"1gb2jdn\" data-start=\"503\" data-end=\"565\"\u003e\n Available in multiple sizes to suit different pond volumes\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-start=\"567\" data-end=\"777\"\u003eBy 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.\u003c\/p\u003e\n \u003cp data-start=\"779\" data-end=\"790\"\u003e\u003cstrong data-start=\"779\" data-end=\"790\"\u003eDosage:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-start=\"791\" data-end=\"969\"\u003e\n \u003cli data-section-id=\"1z042dg\" data-start=\"791\" data-end=\"833\"\u003e\n 15 ml per 200 litres raises KH by 2°DH\n \u003c\/li\u003e\n \u003cli data-section-id=\"1egpsni\" data-start=\"834\" data-end=\"888\"\u003e\n Dilute in lukewarm water before adding to the pond\n \u003c\/li\u003e\n \u003cli data-section-id=\"lovam0\" data-start=\"889\" data-end=\"925\"\u003e\n Do not pour directly onto plants\n \u003c\/li\u003e\n \u003cli data-section-id=\"1cvqp9d\" data-start=\"926\" data-end=\"969\"\u003e\n Test water monthly and adjust as needed\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-start=\"971\" data-end=\"991\"\u003e\u003cstrong data-start=\"971\" data-end=\"991\"\u003eAvailable Sizes:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-start=\"992\" data-end=\"1143\"\u003e\n \u003cli data-section-id=\"1qvn4zn\" data-start=\"992\" data-end=\"1026\"\u003e\n 1L – treats up to 7,000 litres\n \u003c\/li\u003e\n \u003cli data-section-id=\"1k8f0hb\" data-start=\"1027\" data-end=\"1064\"\u003e\n 2.5L – treats up to 17,500 litres\n \u003c\/li\u003e\n \u003cli data-section-id=\"1baizfa\" data-start=\"1065\" data-end=\"1100\"\u003e\n 5L – treats up to 35,000 litres\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-start=\"1145\" data-end=\"1262\"\u003eFor ongoing stability once the desired KH level is reached, consider maintaining water balance with Colombo Balantex.\u003c\/p\u003e","brand":"Aquacadabra","offers":[{"title":"1000ml","offer_id":67610160005274,"sku":"'1034630","price":23.39,"currency_code":"GBP","in_stock":true},{"title":"2500ml","offer_id":67610160038042,"sku":"'1034631","price":35.09,"currency_code":"GBP","in_stock":true},{"title":"5000ml","offer_id":67610160070810,"sku":"'1034632","price":56.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/9568\/9626\/files\/3znejakjkrm.png?v=1790725539","url":"https:\/\/coretarps.co.uk\/products\/colombo-kh","provider":"ELMBER TRADE LTD","version":"1.0","type":"link"}