The Pond & Aquarium Adhesive is a high-performance, underwater sealant and bonding solution specifically designed for use with Butyl and EPDM pond liners, as well as a wide range of other surfaces commonly found in ponds, water features, and aquariums. Available in 80ml and 290ml sizes, this professional-grade adhesive offers permanent, flexible repairs without draining your pond.
Formulated to set underwater, this solvent-free adhesive allows you to seal splits, leaks, and loose joints directly in wet conditions, making it ideal for emergency repairs or long-term maintenance. It is completely safe for fish, aquatic plants, and marine life, making it suitable for use in both indoor and outdoor aquatic environments, including koi ponds, aquariums, waterfalls, and ornamental water features.
This versatile adhesive bonds securely to pond liners, glass, metal, wood, stone, ceramic, concrete, and more – making it one of the most reliable and easy-to-use products for aquatic sealing and bonding applications.
Features & Benefits
Bonds underwater – no need to drain pond or aquarium
Safe for fish and aquatic life – non-toxic, solvent-free formula
Seals & repairs instantly – perfect for emergency fixes
Bonds to multiple surfaces – EPDM, Butyl, glass, metal, stone & more
Flexible & durable – handles movement and weather exposure
Indoor & outdoor use – UV resistant, weatherproof, and ageing resistant
Applications
Repairing holes, tears, or leaks in Butyl or EPDM pond liners
Sealing joints between waterfall liners and pond liners
Fixing aquarium decorations or glass joints
Bonding rocks, edging stones, or pond accessories
Installing and securing underwater features without draining the pond
General pond, tank, and water feature maintenance
Application Guidance
Clean surfaces of algae, dirt, and debris.
Apply adhesive directly to the surface – works even when submerged.
Press materials together firmly for a secure bond.
Allow adequate curing time based on conditions (fast-curing formula).
Can be used with gloves and standard cartridge tools (290ml size).
Sizes Available
80ml Tube – Ideal for spot repairs and smaller jobs
290ml Cartridge – Suitable for caulking guns; for larger or repeat applications
Please Note:
This product is dispatched directly from our trusted supplier’s warehouse. While we aim to keep product availability as accurate as possible, we do not have live stock control for these items. Availability is subject to change, and delivery can take up to 15 working days, depending on stock levels at the time of order.
Tracking information will be provided where available, but please note this is dependent on the supplier’s shipping process. If you have any questions about lead times or delivery, our team is happy to help before you place your order.

Property Detail
Product Type Underwater adhesive/sealant
Sizes Available 80ml tube, 290ml cartridge
Compatibility Butyl, EPDM, glass, stone, metal, wood, ceramics
Submersion Suitability Sets and cures underwater
Application Method Manual (80ml) or caulking gun (290ml)
Safety Solvent-free, non-toxic, fish and plant safe
Features Flexible, fast-curing, weather & age resistant
Use Indoor/outdoor, ponds, aquariums, waterfalls