The use of a heat sealer when packing fish can prevent some problems (such as fish getting trapped in corners) and make is possible to pack more fish in a smaller space. They are not very expensive… I paid about $60 for my sealer through the Internet, including shipping. Over the years I have tried many different applications, but now I use it for only a few specific things. Do you NEED a heat sealer? Probably not. But it is a nice thing to have around….
The video was long, but there is one more tip I want to share about using heat sealers: