Great to use when you are shipping fish or moving house. This heat pack will last for approximately 40 Hours, when used in a chilly bin or poly box with bagged fish they will keep warm while you re set up the aquarium up or until they are delivered.

Simply remove heat pack from wrapper (plastic bag) and shake. Heat pack will warm up within a few minutes.

The Heating process will start after removal from the wrapper.

Key Features:

• Use for transportation of tropical fish.
• Max Temp 65C
• Average Temp 50C
• Lasts for 40 Hours