Seachem Silicone Sealant

Seachem Silicone Sealant

  • 100% RTV silicone rubber
  • Permanently flexible
  • Resists high stresses and pressure
  • Watertight seal in black or clear
  • Use in freshwater and saltwater
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Seachem Silicone Sealant is a room-temperature-vulcanising (RTV) silicone rubber and is made specifically for sealing and repairing aquariums. It remains permanently flexible, has a high tensile strength and is stress resistant. It can be used in both fresh and salt water and provides a reliable watertight seal. Furthermore, it is completely harmless to all aquarium inhabitants and aquatic plants.


  • 100% RTV silicone rubber for aquarium use in black or clean
  • Does not shrink or crack
  • Resists pressure and stress
  • Reliable watertight seal
  • Suitable for use in freshwater and saltwater tanks



Seachem is a renowned manufacturer of aquarium fertilisers and water conditioners. For over 40 years, hobbyists and professionals have benefited from the innovative products. A wide range of aids such as Seachem Purigen or Seachem Matrix ensure crystal-clear water in the aquascape. Biological water conditioners for the aquarium are also offered with products such as Seachem Stabilty are also offered.

General information

Item no.
EAN 000116031295
Weight 0,12 kg
Shipping weight 0,20 kg

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