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Aquasource Enzyme Replenish & Revitalise is a natural, chemical-free product designed to restore and repair essential enzymes in koi. Enzymes are biological catalysts vital for metabolism, digestion, and the immune system. Aqua Balance Enzyme delivers a complex cocktail of enzymes absorbed through the koi’s mucous membranes, helping to replenish missing or damaged enzymes caused by poor water quality, stress, medications, infections, or genetics.
This product converts nutrients into energy, strengthens the immune system, and improves digestive efficiency by repairing enzyme function in the digestive tract. Each tub treats 4,400 gallons and can be used every 4–8 weeks, depending on pond conditions. Aqua Balance Enzyme is particularly beneficial after adding medication, introducing new koi, increased feeding, rainfall, or other stressful situations, helping koi recover quickly and maintain optimal health.
The enzyme spheres are easy to use—simply empty the contents directly into the pond. Being completely natural and chemical-free, Aquasource Enzyme promotes safe and efficient biological restoration for koi of all ages. Regular use supports digestion, immunity, and overall vitality, ensuring healthy, vibrant, and resilient koi while maintaining a balanced pond ecosystem.
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What types of products do you offer?
At Queni Koi Southern, we provide a curated selection of high-quality pond supplies and premium koi food. Our products include innovative items like the Sinking Air Line for seamless pond aeration and advanced koi food such as the JPD Shogun, designed to enhance the health and vibrancy of your koi.
How can I ensure the well-being of my koi?
To promote the well-being of your koi, it's essential to provide them with high-quality food and maintain a healthy pond environment. Our expertly formulated koi food under the trademarked brand Kenko Koi food and our pond supplies are designed to support the health and vibrancy of your aquatic life, ensuring your pond remains a thriving ecosystem.
What is your shipping policy?
We pride ourselves on prompt delivery! We offer free next working day delivery on orders over £100, and we use trusted carriers to ensure your products arrive safely and on time. For more details, please check our shipping policy on our website.
What should I do if I receive a damaged or incorrect product?
If you receive a damaged or incorrect product, please contact us at orders@queni-koi.co.uk as soon as possible. We will replace the product free of charge and cover the return shipping costs for the incorrect or damaged item.
Can I return koi or specially made products?
Unfortunately, once koi have left our premises, we cannot accept any responsibility for them, and they cannot be returned. Additionally, specially made products, such as custom filtration systems, can only be returned if they are faulty or damaged.
How do I cancel my order?
If you wish to cancel your order, you can do so within 14 days of receiving your products. Please contact us at orders@queni-koi.co.uk for authorization.
What is your refund policy?
We will refund all sums paid by you if the items are returned in the condition they were sent. Please allow up to 3-5 days for us to process your return once we receive the items back.
How can I contact customer support?
You can reach our customer support team by emailing us at sales@queni-koi.co.uk or by calling us at 0116 2677053. We're here to help!



