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💧Filtrific®
Filtrific System Calculators
Size the right filter tank, skimmers, and components for your water feature. Pick the calculator that matches your project below — each one walks you through the flow, filtration, and skimming in a few quick steps.
Not sure which calculator you need?
Our water feature sizing specialists will point you to the right one and help spec your system.
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Pool Systems
For at-grade and elevated pool water features. Choose your filter tank by flow rate.
At Grade · T40F
At Grade Pool — T40F
Sizes a T40F system up to 60 GPM for at-grade pool features.
Open calculator At Grade · T75FAt Grade Pool — T75F
Mid-range flow sizing for larger at-grade pool water features.
Open calculator At Grade · T390FAt Grade Pool — T390F
High-flow sizing for the largest at-grade pool installations.
Open calculator Elevated · T75FElevated Pool — T75F
Sizing for raised or elevated pool water features on a T75F tank.
Open calculator Elevated · T390FElevated Pool — T390F
High-flow sizing for large elevated pool water features.
Open calculatorPond & Stream Systems
For rubber-lined ponds with stream waterfalls, including elevated configurations.
Pond
Pond Sizing
Size filtration and skimming from your waterfall flow and pond surface area.
Open calculator T75FT75F Pond and Stream
Rubber-lined pond with stream waterfall, sized on a T75F system.
Open calculator T75F · ElevatedT75F Elevated Pond and Stream
Elevated rubber-lined pond and stream waterfall on a T75F system.
Open calculator T390FT390F Pond and Stream
High-flow rubber-lined pond with stream waterfall on a T390F system.
Open calculator T390F · ElevatedT390F Elevated Pond and Stream
Elevated high-flow pond and stream waterfall on a T390F system.
Open calculatorPipe Skimmer Sizing
Size SFC pipe skimmers for fountain features by filter tank.
T40F
T40F Pipe Skimmer
Select a pipe skimmer and size skimming depth for a T40F system.
Open calculator T75FT75F Pipe Skimmer
Select a pipe skimmer and size skimming depth for a T75F system.
Open calculator T390FT390F Pipe Skimmer
Select a pipe skimmer and size skimming depth for a T390F system.
Open calculatorNeed a hand sizing your system?
Talk to a Filtrific water feature specialist, or browse the full product lineup.