that's for sure, acrylic is also easier to repair when it is scratched. ... Glass is denser and therefore heavier than acrylic. A glass tank will often weigh 4-10 times as much as an acrylic tank of the same volume. Acrylic tanks are lighter than glass tanks
Acrylic weighs less than half that of glass. Acrylic is many times stronger than glass and thus more resistant to strokes (10-20 times). When acrylic shatter, it is, in contrast to glass, in large pieces with relative blunt edges. At the same time contribute the low weight to make acrylic much safer.