there you go, just picked up this quote of a website
*A floating base is where the base of the aquarium is slightly higher than the sides, so the aquarium is supported only around the edge, e.g. Juwel. This aquarium should not be stood on polystyrene, although it must still be sited on a flat level surface.
*A floating base is where the base of the aquarium is slightly higher than the sides, so the aquarium is supported only around the edge, e.g. Juwel. This aquarium should not be stood on polystyrene, although it must still be sited on a flat level surface.
