Does the foam box keep the fish warm?

Keep warm. According to the query of aquaculture network, foam box, as a kind of thermal insulation material, has good thermal insulation performance and can slow down the speed of water temperature drop. When raising fish in winter, you can choose to put a fish tank in the foam box, which can play a role in heat preservation. Foam box is a box-type packaging container made of foam plastic, and plastic foam is plastic with many micropores inside.