You clean it.
To keep your swimming pool clean you will need a filters and a water pump. A vacuum would as be a good idea.
Chlorine?<3
Swimming pool covers are able to keep your pool insulated as well as clean. Leaves, grass, and other debris are less likely to enter the pool.
Swimming in chemically imbalanced swimming pool can give harm into your health. You need to keep in mind that every pool must have clean water, free from algae, dirt and sediments. There are may tips that you can get online on how to properly balance your swimming pool chemicals.
You can swim in a pool without chlorine or salt they just keep the pool clean. but if you do it can give you bad skin
You can add some kind of herbs to the pool.
To move the water and help move debris so it can keep the surface clean.
Yes just keep it really clean and wait at least 2 days after the perising has been made
The main cost will be in keeping the water safe for swimming. This is done with chemicals and by have the pool cleaned. So, the cost of chemicals, electricity to run the filter system, and a pool service to keep the pool clean if one does not do it themselves will be the main costs.
Usually any where inside the pool
With a net.
they got swimming pool