You can select from the 80ml tube of sealant with a 30cm x 30cm patch or the 290ml sealant with a 1m x 1m patch. For best results the area for repair needs to be dry and clean from any dirt, algae and grease etc.
eBay
GOLD LABEL POND SEALER. Bonds most materials even under water such as Butyl Rubber, Vinyl, Glass, Plastic, Ceramic, Stone, Wood Etc, Etc. Seals Under Water. Instant Repair. Solvent Free. Isocyanate Free.
eBay
Heissner Easy Fix Repair Tape - Black. Heissner Easy Fix Black Repair Tape –– extra strong, weather/waterproof repair tape for easy leak sealing repairs. Perfect for pond owners, the Heissner Easy Fix Black Repair Tape is not only effective underwater but also stands strong in all outdoor conditions.
eBay
Gold Label 290ml Sealant. This sealant from Gold Label is a fish friendly sealer ideal for repair leaks in pond liner, fish tanks etc and can even be applied underwater. Can be used underwater, ideal for instant repairs to pond liners etc.
eBay
50mm X 1m BUTYL JOINING TAPE IDEAL FOR POND LINER REPAIR OR JOINING LINERS.With full instructions for use. Hi you are looking at double sticky sided strip of 50mm wide butyl pond liner tape.
eBay
Pisces Butyl Cold Bonding Tape 1m Length (50mm Wide). Excellent Adhesion - Ideal for most substrates but specifically ideal for Butyl rubber products like Pond Liner. The tape is highly conformable and has excellent adhesion to most substrates, but specifically to Butyl Rubber products.
eBay
Available in clear or black and multiple sizes (75ml and 290ml), this solvent-free sealant is fish-safe and bonds to a wide range of materials, including butyl rubber, vinyl, glass, plastic, ceramic, stone, concrete, and wood.
eBay
SUPER STRONG STRETCHY REPAIR PATCHES. Gives you the perfect matrerial to fix your inflatable Hot tub. All materials including vinyl, pvc and suede top air beds, Inflatable boats and inflatable spas.
eBay