Shop aquarium glues, silicone sealants and epoxy putties at The Tech Den Australia. Explore adhesives for planted freshwater aquascapes, saltwater coral fragging and rockwork, plus selected products specified for pond use. Match the adhesive to your materials and application before buying.

Choose an adhesive for your project

• Plant and moss attachment: Seachem Flourish Glue, Two Little Fishies FlorAffix and Dalua Moss and Frag Glue for the uses described on each listing.
• Coral frag glue: gel adhesives from Polyp Labs, ME Coral and Aquaforest for attaching coral fragments to suitable rocks or plugs.
• Hardscape bonding: Dalua and AquaLabs aquascaping glues for building rock structures, with bonding materials where specified.
• Two-part epoxy putty: Seachem CoralCrete, Flourish Epoxy, D-D Aquascape and Two Little Fishies AquaStik for their listed coral, rock or driftwood applications.
• Sealing and attachment: Seachem clear aquarium silicone for sealing and repairing aquariums, and Juwel Conexo for applications such as attaching plastics to glass.

Freshwater, saltwater and pond compatibility

Compatibility differs by product. Several adhesives in this range are listed for freshwater and saltwater aquariums; Two Little Fishies AquaStik also lists pond and paludarium use. Check the specific product's instructions rather than assuming every glue or sealant suits every aquatic environment or surface.

Check application and curing requirements

Review surface preparation, working time, mixing requirements and full cure time before use. Some products can be applied underwater, but that does not mean every adhesive can, or that an initial bond is fully cured. Follow the manufacturer's directions for use around livestock. Seachem CoralCrete listings note that protein skimmers may overactivate during curing.

For structural aquarium joints, acrylic bonding or pond-liner repairs, confirm that the manufacturer explicitly supports the intended material and repair. Aquascaping and coral adhesives are not interchangeable with structural sealants.