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Gold Label Underwater Sealer CLEAR 290ml

Original price £16.99 - Original price £16.99
Original price
£16.99 - £16.99
Current price £16.99
Black Gold Label Pond Aquarium Sealer

This 290 ml tube of Gold Label black sealant is fitted with a nozzle for simple application and is made to fit in a typical cartridge or mastic gun.

This sealer can be used for a variety of activities, such as performing underwater repairs to aquarium liners and pond liners because it adheres to nearly any material.


Suitable for use on a variety of surfaces, including glass, plastic, metal, ceramic, stone, butyl and PVC pond liners.

applicable to cartridge guns.
Suitable for adding elements to your pond or aquarium or fixing leaks without the use of solvents.
bonds every component without the need to take out the fish.


Can be applied on dry or wet surfaces, and it dries in water (Instructions included).

popular sealant ideal for use in ponds and aquariums

non-toxic and fish-safe

Utilizable in water

as applied by landscapers and pond building companies


White 290ml Gun Type

Is delivery free?

We offer free delivery on the majority of our products over £50. This excludes live fish and bespoke filters. Delivery to UK mainland addresses is £3.95 as standard, or £6.95 for express.

How do I return a product?
Get in touch via email or phone and let us know your problem, we will then help as much as possible. A postage address will be given for you to return the product back to us, and postage will be refunded where applicable to our terms and conditions, which are in line with consumer rights.

At Steel City Koi, we offer a wide range of safe and secure payment options when shopping with us.

Accepted payment methods:

Debit/Credit Cards (Inc American Express)

BACS (for faster dispatch of products) please get in touch for this

Cash upon collection *only for live fish

Pay Later options currently include Klarna and Clearpay