So, you finally did it. You bought that glorious glass box. It's sitting there on your reinforced stand. It looks huge. It looks magnificent. But here is the thing. Did the guy at the collection lie to you? Is it truly a 75-gallon tank? Or is it a 68-gallon tank masquerading as a unventilated hitter? You need to know. Not just for bragging rights upon Reddit. You compulsion to know because if you overdose your fish past copper or salt based on a guess, things go south fast. I similar to thought I had a "true" 20-gallon long. I treated it gone a 20-gallon. My flora and fauna melted within forty-eight hours. Why? Because I didnt know how get I adroitly calculate the volume of my aquarium cal in cubic inches. I forgot that glass has thickness. I forgot that substrate takes in the works space. I was basically guessing. Don't be later than me.

Calculating aquarium volume is the first put-on of fishkeeping. It is the initiation of everything. It dictates your filtration system requirements. It tells you how many fish you can actually keep without turning the tank into a toxic soup. Most importantly, it gives you the cubic inches you dependence to convert to real, usable water capacity.

The basic math seems easy. You probably remember it from center school. Length mature width period height. Simple, right? Well, sort of.