Ensure a Leak-Free Seal with Fish Safe Black Silicone

Prevent costly leaks and ensure a strong, waterproof seal around your pond liners and filter attachments with the Aquascape Black Silicone Sealant. Fish safe, easy to use, and available in a handy 4.7 fl oz. (139ml) tube, this sealant is perfect for a variety of pond and water feature applications.

Features and Benefits

  • Ideal for sealing joints: Perfect for attaching liners to filters, including BioFalls snouts and skimmer faceplates.
  • Fish safe: Formulated with your aquatic friends in mind, your fish will stay happy, healthy, and safe.
  • Easy to use: Simply apply to the desired area and let it cure for a secure, watertight bond.
  • Black colour: Blends seamlessly into the surrounding environment, providing an inconspicuous seal.
  • Multi-purpose: Can also be used to seal around PVC pipes and other attachments to ensure a watertight connection.

How to Use

  1. Prep the area to be sealed by ensuring it is clean, dry, and free of dirt or debris.
  2. Cut the nozzle at a 45-degree angle to the desired size, and puncture the inner seal with the back of the cap.
  3. Apply a bead of silicone to the joint, ensuring full coverage with no gaps.
  4. Press the liner or attachment firmly onto the silicone and ensure it is properly positioned.
  5. Hold the liner or attachment in place while the silicone cures, allow at least 24 hours for optimum bonding strength.

Aqua Gardening Suggests These are Best For

This Fish Safe Black Silicone sealant is best suited for pond owners, landscapers, and water feature enthusiasts who need a dependable, fish-safe sealant that's versatile enough to prevent leaks in a range of applications. It is ideal for use with BioFalls and skimmer attachments, as well as for securing PVC pipe connections.

Notes from Aqua Gardening

  • Always read and follow label directions when using silicone sealants.
  • Use in a well-ventilated area and avoid breathing in vapours.
  • To ensure a strong and effective bond, give the silicone at least 24 hours to cure before introducing water or fish to the pond.


Is this silicone safe to use in a pond containing fish and plants?

A:Yes, the Aquascape Black Silicone Sealant is specifically designed to be fish safe and can be used in ponds with fish and plants without causing any harm.

Can the silicone be used to attach filters and other equipment to my pond liner?

A:Absolutely! This silicone sealant is ideal for attaching filters, such as BioFalls and skimmers, to your pond liner. It creates a secure seal, ensuring no leaks occur.

Is the black colour of the silicone visible once applied and dried?

A:The black colour of the silicone is indeed visible when applied, but it blends well with most pond liners and equipment, giving a seamless and clean appearance.

How much silicone comes in one tube?

A:Each tube contains 4.7 fl oz. (139ml) of silicone sealant.

Can this silicone be used to seal around PVC pipes and attachments?

A:Yes, the Aquascape Black Silicone Sealant is suitable for sealing around PVC pipes and attachments, ensuring a watertight connection.

What is the drying time for this silicone sealant?

A:The drying time for this silicone sealant can vary depending on environmental factors, but it is generally recommended to allow at least 24 hours for the sealant to fully cure and provide a durable, watertight seal.

Still Unsure if This Product is Right for You?

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(SKU: 129944)

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