My tank odessy

[Seriak]

Originally Posted by daplatapus

Uhmmm, I think that is just a packing spacer for the end of the heater when it's in the box. Pretty sure it's not meant to stay on the heater when in use.

It is a packing spacer, but it also works great inside the tank. I kept mine on so when I work in my sump and my heaters get moved around, they are not smacking glass on glass. No problems with it being on at all.