How to Calculate Filtration Rate

[@omermukthar9598]

Thank you for the clear cut explanation of the measurement of sand filter's filteration rate

[@StockwellSafety]

Very welcome

[@alinasser1551]

Please may i know from where you get the 125

[@StockwellSafety]

Flow rate meter.

[@totenkopf1479]

Shave the beard! Dammit you're wasting your handsomeness!