Aquarium Sealants

Aquarium safe silicone are formulated for use in marine and reef aquariums to provide a film of protection against corrosive water. They offer a wide range of benefits by drastically improving upon the lifespan of corals and reef tanks. In addition, they are used to prevent algae growth and are often used as a means of temperature control during prolonged or heavy heat waves. If you're looking for a quality silicone sealant, it's important to choose one manufactured by a company that stands behind its products and has a solid track record of consistent service to customers.


Aquarium silicone sealants should always be kept in good condition. Corals and reef tanks are designed to last for many years. However, certain external factors can shorten the lifespan of these structures and expose them to harmful environmental conditions such as high ammonia and nitrite levels, sunlight, and harsh uv light. Using aquarium sealants can help to prolong the useful life of your marine or reef aquarium by curing common problems such as: Slow-growing plants, reduced water flow, cloudy water and cloudy bottom. Aquarium silicone sealants are the best way to provide a safe and effective barrier between your beautiful aquarium creations and the environments they face.


The standard sealant used by most manufacturers and retailers in the united states and europe. Has high melting point strength and durability as well as a long curing time. The euro variety is primarily used for marine applications due to its ability to adhere to both smooth and textured surfaces. It has no effect on latex or acrylic models and is available in a variety of thicknesses. In addition to being available in a wide range of thicknesses, some euro-based aquarium safe silicone also feature stronger adhesive properties, which allow it to work well with low-mold cork products and plastic coatings.


  • GP-121 Acetic Aquarium Silicone Sealant

    GP-121 Acetic Aquarium Silicone Sealant

    ● One-component, neutral cure, indoor curing adhesive.

    ● Fast-cure, RTV-1.

    ● Excellent tensile strength and elasticity.

    ● Excellent primerless adhesion to glass.

    ● Available for Aquarium, aluminum doors & windows sealing.

    ● ±50% movement capacity.




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