Gold Label Underwater "One-Shot" Pond & Aquarium Sealant, 75ml Concentrated 4oz 780 Square Feet 29313

4oz 780 Square Feet 29313 827807293134 7lb 2275 Square Feet

Algae Defense® can be mixed with pond water and sprayed directly onto target algae for fast acting results

since each outlet is fully adjustable

Controls and prevents algae blooms

This gel-based solution sticks to the filter media

Gold Label Underwater "One-Shot" Pond & Aquarium Sealant, 75ml Concentrated 4oz 780 Square Feet 29313Gold 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.