Acrylic is much more easily formed into different shapes, so acrylic aquariums come in a much wider variety of shapes.

It is a good idea to overestimate the amount of concrete needed so you won't come up short on the jobsite.

To find the amount of concrete you need, use our concrete calculator or this simple volume formula: Length × Width × Thickness. or make available through this Software or the content that is made available to you by third parties. You may not use the Image in any way that might prejudice the reputation of Music Tribe, or the distinctiveness, validity or goodwill of any of its brands.

Subject to the terms of this Agreement, you may use the Image only for editorial use or as an authorized distributor or reseller.Use these free concrete calculators to quickly estimate how much concrete you need for slabs, footings or columns. Glass fish tanks are most often rectangular in shape, but do come in hexagons, bow-front rectangles, and cylinders. If your slab is a different size or thickness, use our calculator to determine the amount of concrete.