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Same Day Dispatch On orders placed before 2pm
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Our Customers Love Us Platinum Trusted on Feefo
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Dedicated Customer Support Call us on 01642 612 419
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Pond Points Loyalty Scheme 2 Points for every £1 spent online
Gold Label Underwater Sealer
Underwater Sealer
Product Code: GLB80
The Gold Label Underwater Sealer is a revolutionary, fish-safe adhesive that instantly repairs leaks and bonds almost any material underwater.
Why choose the Gold Label Underwater Sealer?
- Instant Underwater Repair: Seals leaks and liner cuts without draining your pond or aquarium.
- Universal Adhesion: Powerfully bonds to Butyl rubber, Vinyl, Glass, Plastic, Ceramic, Stone, Concrete, Wood, and Steel.
- 100% Fish Safe: The solvent and isocyanate-free formula ensures zero harm to your aquatic life.
- Heavy-Duty Bonding: Perfect for installing bottom drains or permanently repairing tears.
- Versatile Options: Available in Black or Clear, in an 80ml one-shot tube or a 290ml caulking cartridge.
- Fast Acting: Achieves initial tack in 2-3 hours and fully cures within 24 hours.
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Description
Description
Gold Label Underwater Sealer does exactly what its name promises: it provides a rock-solid, waterproof bond in fully submerged conditions. A truly remarkable essential for both pond and aquarium owners, this sealer lets you instantly patch a cut in your pond liner or seal a heavy-duty fixture without the hassle of draining your water. Whether you need to bond stainless steel to plastic or wood to stone, the Gold Label Underwater Sealer ensures a permanent, leakproof bond for complete peace of mind.
How to Apply Gold Label Underwater Sealer
- Preparation: For the absolute best results, ensure all surfaces are thoroughly cleaned and free of heavy grease, dirt, and algae before application.
- Application: Squeeze the sealant directly onto the surface you wish to bond. If you are joining materials that are prone to movement (expansion and contraction), ensure you leave a minimum 2mm thick bead between the surfaces to allow for flexibility.
- Curing Times: The sealer will develop an initial tack in 2-3 hours, can be painted over after just 4 hours, and will achieve a full, heavy-duty cure in approximately 24 hours. (Please note: It is not suitable for use in temperatures below 10°C, or on Polyex, HDPE, or LDPE plastics).
Delivery & Returns
Delivery & Returns
Cut Off Time
Order by 2pm Monday to Friday for same day dispatch (Excluding Bank Holidays).
Direct/Palletised Delivery items may take longer.
Orders Under £49
Standard Delivery (2-3 working days) - £3.99
Express Delivery (1-2 working days) - £5.99
Orders Over £49
Standard Delivery (2-3 working days) - FREE!
Express Delivery (1-2 working days) - £2.99
Timeframes are for standard mainland UK addresses only excluding NI, Scottish Highlands & Islands.
Palletised Deliveries
Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet and as such will arrive as a kerbside delivery only. The drivers in these instances are unfortunately not permitted to assist with the pallet beyond the drop off, and cannot aid in bringing packages into the property.
Pond Planet will contact you to book in delivery on a suitable working day. Delivery will generally take place between 9am and 5pm. To ensure there are no delays with delivery, please include a contact number when placing the order.
Pond Plant Deliveries & Surcharge
Pond plants are subject to a £5.99 delivery surcharge. Pond plants are sent directly from our supplier to make sure the plants you receive are fresh and in great condition. There is no limit on how many you can order for a single delivery charge. This charge is in addition to any other carriage costs for items sent directly from Pond Planet. Please allow 5 -10 working days for delivery.
Returns
If for any reason you are not satisfied with your purchase from Pond Planet, you may return the product(s) to us within 14 days of the purchase date for a refund or exchange.
Goods must be returned in perfect and unused condition, in their original packaging. The buyer must ensure that the goods are securely and adequately packed to avoid damage and the purchaser pays all postage costs. We recommend that products are returned by recorded delivery or by a carrier that requires a signature. Pond Planet accepts no responsibility for goods returned to us unless signed proof can be provided.
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Same Day Dispatch On orders placed before 2pm
-
Our Customers Love Us Platinum Trusted on Feefo
-
Dedicated Customer Support Call us on 01642 612 419
-
Pond Points Loyalty Scheme 2 Points for every £1 spent online

Get Expert Advice
If you have any questions or queries regarding our products or services please do not hesitate to get in touch. Our helpful team of experts are waiting on hand and want to hear from you!
Much to my surprise this actually works very well. Sealed a leaky joint on the top of my fish tank. Obvious everything was wet but this still stuck well. I have since used it on wet outdoor items.
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As a thank you from us to you, we have launched our loyalty point scheme, so you can get the best out of what you spend online!