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Kusuri Bio Balance pH/KH Buffer – Pond Water Stabiliser
Price range: £16.85 through £103.36
Kusuri Bio Balance pH/KH is a professional-grade buffer designed to stabilize the carbonate hardness (KH) and pH levels in your Koi pond water. It prevents sudden and deadly pH crashes, supports your essential biological filter, and ensures a stable, stress-free environment for your Koi. Available in 1 kg, 3 kg, and 11 kg sizes.
- ⚖️ Under 2kg: £3.49
- ⚖️ 2kg – 5kg: £4.99
- ⚖️ 5kg – 10kg: £6.99
- ⚖️ 10kg – 20kg: £11.49
- ⚖️ 20kg + £14.99
Please check the cart for accurate rates on bulky items.
Prices are for UK Mainland Postage Only.
Kusuri Bio Balance pH/KH Buffer | Essential Water Stability for Koi
Maintaining stable water parameters is the single most important factor for a healthy Koi pond ecosystem. Therefore, Kusuri Bio Balance pH/KH is the ultimate solution for achieving this stability. This professional-grade powder is a mineral-rich buffer. It is specifically designed to safely regulate and stabilize both your Carbonate Hardness KH and the resulting pH level. Crucially, regular use prevents deadly pH crashes and promotes consistent water quality year-round for your fish and biological filter.
Why Stable KH and pH is Essential for Koi Bio Balance
Carbonate hardness KH is crucial because it acts as the primary buffer against acid accumulation in the water. Without sufficient KH, the constant biological activity in your filter (known as the nitrogen cycle) consumes the available carbonate. Furthermore, natural organic decay also contributes to this consumption. Consequently, this causes the KH level to fall dramatically. This collapse leads directly to a dangerous pH crash, which is often fatal for Koi and other pond fish. By maintaining a target KH level of between 6 and 8 degrees dH, Kusuri Bio Balance pH/KH reliably prevents this catastrophic event.
The Mechanism of the Kusuri Bio Balance pH/KH Buffer
Kusuri Bio Balance works by introducing highly soluble mineral salts that are essential to water chemistry. The unique formulation slowly and effectively raises and stabilizes the pond’s KH level. This, in turn, locks the pH at a neutral and safe level, typically around pH 8.3. This consistent environment minimizes stress on your Koi. In addition, it allows their immune systems to function optimally. Critically, it also supports the nitrifying bacteria in your filter, which are essential as they convert toxic ammonia and nitrite into harmless nitrate.
Dosage and Application Instructions for pH/KH Buffer
Kusuri Bio Balance is safe, simple to use, and highly cost-effective.
- Initial Dose: Use 1 kg per 10,000 litres (2,200 gallons) to safely raise the KH level by approximately 3 dH.
- Maintenance Dose: Use 100g per 10,000 litres (2,200 gallons) weekly to replace lost carbonates and maintain stability.
Application Steps:
- Measure the required amount of Kusuri Bio Balance pH/KH based on your pond volume and the KH reading you wish to achieve.
- Mix the measured powder with pond water in a clean bucket or watering can until fully dissolved.
- Gradually pour the solution around the perimeter of your pond over a 1-hour period to ensure even dispersal and minimal shock to the fish.
- Alway test your KH and pH levels before and after application to confirm stability.Shop Water Testing Products to test your KH and PH levels.
Choosing the Right Kusuri Bio Balance Size
We offer three convenient sizes to suit any pond size and budget: the 1kg packet for smaller ponds or trials, the 3kg packet for medium-sized ponds and regular maintenance, and the economical 11kg tub for large systems and commercial setups, offering the best value per treatment.
Choose Kusuri Bio Balance today to ensure your Koi thrive in perfectly stable water conditions.
| Weight (kg/g) | 11kg, 1kg, 3kg |
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Kusuri Bio Balance pH/KH Buffer - Pond Water Stabiliser 





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