Step by step 1 first turn off the pump and close any valves that you may have attached to your filter to prevent any unneeded loss of water.
Commercial pool filter sand change.
If your filter was not installed with union connections you will have to cut the piping to your filter.
How to change the sand in a pool filter.
Turn off the pump on the pool filter.
This video will save you time and money.
Easy instructions on changing the sand and checking the laterals in a hayward sand filter.
Before adding any new sand to the tank.
Buy your laterals here on.
Removing the old sand.
When you reinstall the filter after replacing the sand this would be a good time to add unions.
Step 1 to change the sand in your sand filter you will have to remove the multiport valve on the top of your filter.
Everything eventually wears away and that is especially true for sand filters which run sometimes 24 7 during the summer months cleaning your pool water.
Reattach the drain plug to the base of the tank.
Make sure that the filter pump won t be able.