Some people do it so the tank stays flush on top of the stand. So if the stand has any imperfections (wood) the foam will fill in any voids. It kinda acts as a suction cup too, Plus insulation. alot of it is preference
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.