Gold Label Underwater "One-Shot" Pond & Aquarium Sealant, 75ml Concentrated ethylene dichloride: 5

ethylene dichloride: 5

Reduces filter maintenance and cleaning

Otherwise the spider gasket will fold and the valve will leak

Use on ponds

The AlphaONE Low Head filter from Grand Champion Technologies (GC Tek) take all the features and benefits of the AlphaONE filter

Gold Label Underwater "One-Shot" Pond & Aquarium Sealant, 75ml Concentrated ethylene dichloride: 5Gold Label "One Shot" Pond & Aquarium Sealant is a pressurized black silicone sealant for application underwater, and it will bond to liner, concrete, stone, plastic, glass or ceramic even underwater! Works wet or dry, so can be applied either in water or out of water.