You might wait to close until the water temperature is well below 60 degrees so algae is less likely to grow and if it does it grows slowly.
Chemicals needed to close swimming pool.
When closing down your pool you will need to check that the chemicals are all balanced.
The ph 7 4 7 6 alkalinity 80 100 for pools with liners and 100 125 ppm for plaster pools.
Begin winterizing one week before closing your pool.
The most primary chemicals to take and balance their readings in order of importance are.
In a vinyl lined pool it is not necessary to lower the water.
A solid woven water tight cover is the most common for closing an above ground.
Hello tami we would recommend adding winterizing chemicals when closing the pool.
The liquid chlorine that you added is similar to the shock in our kit.
Add 2 days before closing the pool.
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.
Chlorine free pool shock.
What pool closing chemicals do you need.
Add 1 day before closing the pool.
Stain scale treatment.
If your pool is lined with tile along the edge make sure the water line falls below the bottom of the tile.
One week prior to closing your pool add a phosphate remover to help keep algae out and.
Place into the pool just before covering.
Between the chemicals cold weather protection from debris and dark conditions algae will be unable to grow.
Pour into the pool just before covering.
What you ll need tools for removing pool accessories such as ladders air compressor water chemistry test kit or test strips chlorine bromine or whichever sanitizer you prefer ph increaser if necessary ph decreaser if necessary alkalinity increaser if necessary calcium hardness increaser if.
Using the filter pump and setting the inlet to pull from the main drain lower the pool s water level to approximately 2 inches below the lowest return line.
How to close a pool in the winter.
Brush and vacuum to remove all debris.
Manage your water level.
The other two chemicals in our kit are meant to prevent metal stains scaling and algae.