Lets be honest for a second. Weve every been there. You stand in belly of your glass box, staring at a bottle of expensive liquid fertilizer or a tiny vial of ich medication. The label says "5ml per 10 gallons." You see at your tank. Is it in reality 10 gallons? You bought it as a "10-gallon starter kit," therefore it must be 10 gallons, right? Wrong. This is the moment where most hobbyists make a error that leads to a cloudy tank or, worse, floating fish. You absolutely dependence a Quick aquarium size calculator power Calculator For perfect Dosing because your eyes are lying to you.

I hypothetical this the hard mannerism help in 2018. I had a beautiful 29-gallon planted tank. I was dosing Glutaraldehyde to kill off some obdurate BBA (Black Beard Algae). I calculated based on 29 gallons. I forgot that I had three inches of close aquarium substrate and more or less twenty pounds of seriyu stone. Within twenty minutes, my Cardinal Tetras were gasping at the surface. I had overdosed them by nearly 25%. Why? Because my actual water volume was barely 22 gallons. Thats a massive gap.

When a manufacturer sells a tank, they meet the expense of you the outside dimensions. They don't care approximately the glass thickness.