How to Close Down Your Swimming Pool
Close Down Your Swimming Pool for Winter to ensure that you have less work to do the following spring. It can take a little work, but whether you have an above- or below-ground pool, you can winterize it with four simple steps.
1. Balance the water chemistry
This should be done about a week before you intend to close your pool. Adjust the chemistry so that the water has a pH of 7.2 to 7.6, an alkalinity of 80 to 100 parts per million (ppm), and a calcium hardness of 180 to 220 ppm. Once this is done, you can shock your pool with chlorine (or a chlorine substitute) to get rid of germs. Then, let the chlorine level return to normal – 1 to 3 ppm – before adding a winterizing algaecide.
2. Clean out
Everything in your pool that can be removed should be thoroughly cleaned, including hoses, pumps, filters, ladders, wall fittings, baskets and heaters. Let these items dry thoroughly, and then store them in a protected area. Once all these parts have been removed, you can skim, vacuum and brush the pool itself. The more thorough cleaning job you do now, the less work you’ll have to do when spring rolls around.
3. Lower the water level
This is an essential step before you can put the cover on. How much you lower the water depends on what kind of cover you have. Solid floating covers should rest about 5 inches below the top edge of the pool, but mesh pool covers require you to decrease the water level to between 12 and 18 inches below the bottom of the cover.
4. Cover up
Install the pool cover above your swimming pool. Make sure it fits tightly to make sure no animals or debris can get underneath.
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