Pool and Spa Filtration Flashcards
1
Q
What is filtration?
A
the mechanical process of removing insoluble matter from the water.
2
Q
Which filter media removes the smallest particles from water?
A
D.E. Filter at 4 microns
3
Q
What is FMR?
A
the rate of flow through a filter
4
Q
Which filter requires the least amount of water to clean?
A
Cartridge
5
Q
DE filter grids filter from both sides.
A
True
6
Q
In a pool system using a cartridge filter with a filter media rate of .375 gpm/ft2, and a flow rate of 120 gpm, what filter area size is required?
A
320 sq feet
7
Q
After backwashing a DE filter:
A
Recharge with DE.
