You clean it.
You should run a chlorinator every couple of weeks in your pool in order to keep it clean. Bacteria can grom in your pool and chlorine helps keep it clean.
You can add chlorine and that should keep the pool very clean.
To keep your swimming pool clean you will need a filters and a water pump. A vacuum would as be a good idea.
mabey u should keep birds out of the pool from pooping in it.
Mr Flip at flippydolphin.com
Chlorine?<3
A Dolphin pool cleaner can be purchased on Dolphin's website. It can also be purchased on Amazon, where the shipping should be free if it is over $25.
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
by using chemicals go to special pool shops they are brilliant and clear the algae, not to mention making your pool blue and clear!
I wouldn't. If it was good to clean a pool with, it would be called "Dish and Pool Soap". Pools should be cleaned with materials specifically designed to clean pools - they have ingredients to keep algae and other organisms to a minimum, and they disinfect the water and such.
You can add some kind of herbs to the pool.