How Do I Change the Sand in My Hayward Sand Filter?
Quick Answer
Change the sand in a Hayward sand filter by washing the old sand through the drain plug using a garden hose and then replacing it with 300 pounds of 20-mesh swimming pool filter sand. Replace the sand every three to five years.
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- Disconnect the power
Replacing the sand requires working around water and electricity. Disconnect the pump from the power supply for safety.
- Open the filter
Open the filter according to its style and manufacturer specifications.
- Remove the winterizing valve
This drain plug is located at the bottom of the filter. Unscrew the plug to allow the water to drain from the pump.
- Wash the sand from the filter
Use a garden hose to wash the sand from the filter housing. Continue spraying inside the housing until all the sand is gone.
- Inspect the filter
Check the plumbing inside the filter. Replace any broken laterals. Replace the drain plug, and fill the tank halfway with water.
- Replace the sand
Read the label to determine the amount of sand to add. Pour the sand into the filter. Replace the valve, and attach the plumbing.
- Start the filter
After replacing the filter, start the pump in the backwash mode. This removes any dust from the filter and allows the sand to settle correctly.
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