I vividly recall the first epoch I set in the works a 55-gallon tank. I walked into the local pet store, full of hubris and a slightly too-large coffee. I grabbed three bags of tolerable river stones. I thought, Yeah, this looks practically right. It wasn't. It in reality wasn't. By the mature I got house and rinsed the dust out, I had barely covered the glass. It looked subsequent to a desolate moonscape, not the lush Amazonian paradise I had promised my difficult tetras. since then, Ive realized that guessing is for losersor at least for people who next making three trips to the increase in one afternoon. You obsession an aquarium water volume calculator substrate calculator that actually accounts for reality, not just some distant "rule of thumb" scribbled upon a napkin.

Lets get real for a second. Most people will say you the conventional "one pound of gravel per gallon" rule. Im here to tell you that judge is in reality garbage. Why? Because a 20-gallon "long" tank has a agreed oscillate footprint than a 20-gallon "high" tank. Volume doesn't alive on the floor; surface place does. If you desire to know what amount of gravel attain you actually need, you have to stop thinking not quite gallons and begin thinking not quite square inches and severity goals. Its basic geometry, even if we every hated math in tall school.