Once the temperatures have fallen below 65 degrees Fahrenheit, it is time to close up your pool.
First of all, test the chemicals in the pool water. This includes alkalinity, pH, calcium, and chlorine.
Next, as part of winterizing your pool, you should turn off the power supply to the pool and remove any on/off trippers to prevent the pump from turning on.
Then, remove any accessories: ladders, steps, skimmer baskets, cleaners, etc. Even when the sun is shining in the winter, it can potentially damage these items.
After that, it is time to roll up your sleeves and give your pool the deep cleaning it deserves and needs. Skim the surface of the water. Vacuum the bottom. Brush the floor and sides.
Additionally, you need to lower the water levels. It will not cause damage to the pool if you drop the water four to five inches below the skimmer. However, Leisure Pools™ does not recommend dropping it 16 inches below the returns.
Further, pool skimmers should also be protected with a product such as a “gizmo” (a product designed to absorb any expansion of winter freezing in pool skimmers), even if the water is lowered just below the skimmer. Why? Because rainwater can potentially build up on top of the pool cover, which will, in turn, force water back into the skimmer.
Finally, be sure to drain all of the equipment to prevent any water within from freezing, expanding, or potentially causing any damage. Use a blower to clear the water from the pool lines.
Of course, be sure to cover your pool, as well. (More on this below, but this is a key step in protecting your pool overall.)
Now that you have that done, it is time to update yourself on some basic winter pool maintenance tips. Just because you are not using your pool during the winter months (unless, of course, you live in a warm climate), it still needs some attention to keep it operating at its best during the peak season.