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QK450 Bio Chamber is a high-quality biological filtration chamber designed to hold fluidised media for koi pond and garden pond filtration systems. With a large 450 litre capacity, it provides excellent biological filtration support for ponds that need strong water treatment and improved pond water quality.
This bio chamber is ideal for koi pond owners who want to increase the biological performance of their filtration system. When used with suitable fluidised media, the QK450 Bio Chamber creates a large surface area for beneficial bacteria to grow. These bacteria help break down harmful waste compounds in pond water, supporting a cleaner, healthier, and more stable environment for koi and other pond fish.
The QK450 Bio Chamber can be used alongside drum filters, mechanical filters, UV clarifiers, pond pumps, and other filtration equipment. It is suitable for new koi pond builds, larger pond systems, and filtration upgrades where extra biological capacity is required.
With its 450 litre capacity, this bio chamber is a practical choice for pond keepers who need dependable biological filtration for high water volumes or heavily stocked koi ponds. The QK450 Bio Chamber offers a strong solution for improving pond filtration performance, supporting beneficial bacteria growth, and helping maintain clear and healthy koi pond water.
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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!



