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PURE+ Filter Start Gel is a highly viscous gel containing concentrated nitrifying bacteria to help kick start new pond filters. This live, concentrated bacteria culture sticks to the filter media, allowing rapid colonization and accelerating the maturation of your filter. PURE+ Filter Start Gel converts ammonia and nitrite efficiently, reducing stress on newly introduced fish and helping maintain a healthy aquatic environment.
The gel is ideal for all types of filter media, including bead filters, Japanese matting, and conventional beads. It is particularly effective with Evolution Aqua’s K1 Micro Bead filters, ensuring optimal bacterial development from day one. PURE+ Filter Start Gel complements other products in the PURE range, including PURE Pond Bomb for rapid bacterial boosts and PURE Pond for ongoing maintenance of ammonia and nitrite levels.
To apply, shake the bottle well, unscrew the cap, and pour directly onto the filter media. There is no risk of overdosing. For best results, add oxygen to the pond via an air pump and diffuser, and switch off any UV-C systems during and 12 hours after dosing. Regular water testing is recommended, especially before adding fish to the pond. While PURE+ Filter Start Gel matures filters and promotes beneficial bacteria, it does not address green water; a suitable UV-C should be used for algae control.
Available in 1 Litre and 2.5 Litre bottles, Filter Start Gel is easy to apply, highly effective, and an essential tool for responsible pond management.
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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!



