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Re: Filter Capacity ( Flow rates)
If your Power head or pump is rated at twice the capacity of your aquarium
an aquarium of 30 gal volume and power head of 60gal/Hr. capacity and this
power head passes the aquarium water through a device, assume a UV
stabiliser, that does not progressively get dirty unlike a filter for
Then in order to have 99.99% of your aquarium water pass through the device
it takes 4.6 hours.
In case of a power head pumping through a filter which progressively gets
dirty with time the time taken for 99.99% of the aquarium water to pass
through the filter is 6.375 hours as the flow rate decreases with respect to
The more you know the more complicated it gets !!!!!.