I used to think that a 40-gallon breeder tank actually held 40 gallons of water. It sounds logical, right? The sticker upon the glass says "40 Gallons." The receipt says "40 Gallons." Even my stand was rated for exactly that weight. But subsequently I started getting frightful approximately high-tech aquascaping and delicate shrimp colonies. I realized certainly quickly that the "box volume" is a total myth. That is following I embarked upon a journey that misused my fish tank gravel calculator-keeping game forever. My Experience Using An Aquarium Gallon Calculator For Accurate Measurements was not just not quite numbers. It was very nearly survival.

Lets be honest for a second. Most of us eyeball our tanks. We see at a pail and think, "Yeah, that looks next five gallons." We pour it in. We repeat. But when you are dealing in the same way as costly fertilizers or longing medications, "roughly enough" is a death sentence. I assistant professor this the difficult artifice bearing in mind I overdosed a tank as soon as liquid CO2. My cherry shrimp started jumping out of the water afterward they were at a stuffy metal concert. It was horrifying. I needed precision. I needed an aquarium volume tool that didn't rely upon my terrible mental math.

The manufacturers label refers to the external dimensions of the glass. It does not account for the thickness of the glass itself.