Scuba diving cylinder comparison spreadsheet

Editable spreadsheet with comparison of various scuba tanks: pressures, volumes, time at given depth, weight, buoyancy, sizes, prices, costs of filling. Visual of liters provided by various tanks. Comparison of strenghts and weaknesses of materials. Initially created to select back and deco gas tanks for sidemount diving.

Version 7: buoy / tank to 50and 12 bar, buoy weight corrected to 1.5 kg for steel-carbon after test (still ascending below 50 bar), color by water, small corrections.