It is recommended to leave a pool pump running while on vacation to ensure proper filtration and prevent damage.

It is generally safe to run a pool pump 24 hours a day to ensure proper filtration and circulation.

It is generally safe to leave water in a pool year-round, but it should be regularly tested and maintained to prevent damage or deterioration.

Without chemicals, a pool should be drained and refilled every 3-5 years to maintain water quality.

Adding chlorine can sometimes raise the pH level in a pool, but it depends on the type of chlorine used and other factors.

If the pH level in a pool is high, it is recommended to add a pH reducer before adding chlorine.

It is not necessary to add algaecide to a pool weekly, but it should be added as needed to prevent and eliminate algae growth.

A pool should run for 8-12 hours a day, depending on pool size and usage.

Swimming pool water should be changed every 5-7 years, but it can vary based on usage and water quality.

Weekly pool maintenance should include testing and balancing pool chemicals, adding algaecide as needed, and checking and cleaning pool equipment.