Laguna Aeration Kit with Air Stone Item:Aeration Kit Can be used in cold

Can be used in cold or deep water

Provides stable cold-weather nitrification

Measures 18"L x 16"W x 10

Lifegard Aquatics Adjustable Quartz Glass Aquarium Heaters allow you to lock in your aquarium at a set temperature

7000gph 24

Laguna Aeration Kit with Air Stone Item:Aeration Kit Can be used in coldThe Laguna Aeration Kit includes everything you need to enhance the quality of pond water during the cold winter months as well as the hot summer season. In winter, it maintains an opening at the pond surface and prevents pond surfaces from completely freezing. This allows the release of toxic gases and the replenishment of fresh oxygen that is critical for the survival of fish. In summer, it provides supplemental aeration which improves the quality