What Size Sand Filter For 20000 Gallon Pool

All filters have gallon per minute design rating and turnover rate.

What size sand filter for 20000 gallon pool. This is pretty straight forward but you ll want to make sure your filter size is not too small when compared to your pump the most important factor when determining filter size is the gpm or gallons. As a general rule of thumb sand filters typically fall between 19 22 max gpm per square foot of surface area. Slsm for bestway type i pool filter cartridge high efficiency filter elements 530 gallon pump filter cartridge for pool cleaning 3 11 x 3 54 inches 4 1 out of 5 stars 29 27 99 27. Cartridge filters are a lot bigger and a little less exact.

Think of this a little like the miles per gallon mpg quoted as gas mileage on your car. Use the pool gallons and pump size to choose the right sand filter size. Swimclear cartridge filters provide the most energy efficient flow and save up to 2 500 gallons of water per year by eliminating the need to backwash. This turnover is required every 12 hours or twice a day.

A 3 square foot sand filter is used for pools with 10 000 to 15 000 gallons of water with pump sizes of 0 75 to 1 hp. Determine gpm required after you have the number of gallons in your pool 20 000 gallons for this example you will have to calculate the gallons per minute gpm required to filter 20 000 gallons in 8 hours. Pumps on the other hand use a slightly different description of gallons per minute or gpm. To come up with this flow rate first divide your calculated gallons by 8 for gallons per hour gph.

Available in a wide variety of sizes to meet the needs of all swimming pool requirements. A 3 9 square foot sand filter is used for pools with 20 000 to 25 000 gallons of water and a 1 5 hp pump. For small pools under 20 000 gallons i might advise the next size down 24 tank if the budget is tight. 2 3 square feet surface area 50 gpm.

To maintain good water clarity you must run the pump each day so that all the water in the pool is turned over. But never go smaller than a this for an inground pool. For example using a pool volume of 19 149 gallons and a filtration rate of 3 000 gallons per hour. Filter surface area and holds 600 lbs of sand.

4 9 square feet surface area 100 gpm. 1 8 square feet surface area 40 gpm. If your pool volume is 15 000 gallons then one turnover would be equal to 15 000 gallons. The smallest for above ground pools mid range for small pools around 15 000 gallons and large filters for large pools above 25 000 gallons.

The correct filter size depends on the size of the pool. Pool volume filtration rate x 2 hours to run filter 19 149 3000 x 2 12 766 or about 12 hours and 45 minutes for a full 2 cycles.