Consumption comparator
Sand/glass filter
Number of filter washes per year
Pump used
0,75
1
1,5
2
3
hp
Washing time
min
Water cost
£ / 1000 L
Liters consumed / wash
L
Liters consumed / year
L / year
Total water cost / year
£
Cartridge filter
Number of filter washes per year
Number of cartridges to wash
1
4
8
hp
Washing time per cartridge
min
Water cost
£ / 1000 L
Liters consumed / wash
L
Liters consumed / year
L / year
Total water cost / year
£
