When you reinstall the filter after replacing the sand this would be a good time to add unions.
Commercial pool filter sand change.
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.
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.
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.
This video will save you time and money.
Before adding any new sand to the tank.
How to change the sand in a pool filter method 1 of 3.
Make sure that the filter pump won t be able.
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.
Step 1 to change the sand in your sand filter you will have to remove the multiport valve on the top of your filter.
Removing the old sand.
Easy instructions on changing the sand and checking the laterals in a hayward sand filter.
Reattach the drain plug to the base of the tank.