Before closing your above ground pool make sure the water is clean clear and chemically balanced.
Chemicals to close pool for winter.
Add a dose of an algaecide according to label directions for pool closing to protect your pool from algae growth during the off season.
Between the chemicals cold weather protection from debris and dark conditions algae will be unable to grow.
Next ensure all of your pool chemicals are in the recommended range for your individual pool.
Then shock the pool with a chlorine shock or a non chlorine shock at least 1lb per 10 000 gallons 38 000 l follow package directions.
Buy an extra strength algaecide.
Winterizing chemical kits are available to help protect water quality during the winter months.
Chlorine tends to break down both algaecides and floating pool covers.
Let the pump run for 24 hours so the product fully circulates throughout the water.
Allow the chlorine level to return to 1 0 3 0 ppm before adding any winter algaecide and your pool cover.
A step by step guide to close your above ground pool for the winter.
Make sure the chlorine level has returned to 1 to 3 ppm before adding algaecide.
Several days prior to closing an above ground pool test the water for ph total alkalinity calcium hardness and chlorine.
Otherwise the chlorine will render the algaecide ineffective.
Chemically balanced water protects the pool from corrosion or scale buildup that can occur while the pool is not in use.
Closing your swimming pool with the right winter pool chemicals can save you a lot of work when it comes time to open your swimming pool for the summer.
This is why our winter kits contain non chlorine shock although best practice is to add the non chlorine shock the evening before you plan to close the pool.
How to close an above ground pool.
If you use chlorine shock to close the pool shock the pool 2 5 days before closing or add stain and algaecide winter chemicals a few weeks later under the cover.
Choose one that will not cause surface staining.
Choosing to close your pool during the winter can help with keeping debris out but remember you still need to follow the pool closing steps we mention above and shock your pool.
Adjust the chemical levels if necessary.
Take a water sample to your local pool store if you don t already know the recommended ranges.
Maintaining your winter algaecide along with water clarifier and stain preventer will keep your pool water sparkling clear and algae free with no stains at the water line or pool floor.