Make sure that the filter pump won t be able.
Commercial pool filter sand change.
When you reinstall the filter after replacing the sand this would be a good time to add unions.
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.
Reattach the drain plug to the base of the tank.
This video will save you time and money.
If it s been more than 3 4 years since you changed the pool filter sand in most cases under normal use i would highly recommend changing your sand out every 3 4 years.
Turn off the pump on the pool filter.
Removing the old sand.
Easy instructions on changing the sand and checking the laterals in a hayward sand filter.
If your filter was not installed with union connections you will have to cut the piping to 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.
How to change the sand in a pool filter.
There is also a drain cap at the bottom of the tank remove this and allow tank water to completely drain.
How to change the sand in a pool filter method 1 of 3.