Premium Acrylic Aquarium Isolation Box for breeding, acclimating, quarantining and protecting aquarium fish. Clear acrylic design with excellent water circulation for freshwater and marine tanks.

An aquarium heater guard (or protective sleeve) is a cheap piece of insurance that saves fish from burns and prevents expensive equipment from shattering.

Here is a breakdown of why they are essential, how to choose one, and how to use it safely.