Aquarium lab

Tank turnover calculator

Compare measured filter output with the aquarium’s net water volume.

  • Result updates as you edit
  • Units and limits shown

Starting scenario

  • Net volume100L
  • Measured flow500L/h
  • Load allowance20%
Result4times/h

Aquarium inputs

Calculation workbench

Adjust the inputs. The result updates immediately, with the calculation method explained below.

Aquarium inputs

Calculated result

Effective turnovertimes/h

Result updates as you edit

Calculation logic

What it calculates

Formula

Measured flow ÷ net water volume, after the chosen allowance.

Limits

It cannot describe media capacity, circulation, oxygen transfer or waste distribution.

Next step

Measure the installed filter and compare the number with conditions in the actual tank.