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How much water is in my tank?
L × W × Hinches
÷231= gallons
×3.785= liters
×85%= real water
Why does my tank hold less water than its size says?
The glass, the gap under the rim, substrate and decor all take space. Most furnished tanks hold about 85% of their nominal volume. Measure inside the glass.
Which volume should I use for medication?
The real water volume, not the nominal size, and follow the product's label.
How many fish fit in my tank?
That depends on the species. Try the stocking calculator.