drain it
Remove some or all of the water
Remove some of the water and refill it with fresh water.
Remove some water in container (10-20%) and add new water. example: pump water high in cyanuric acid out of a swimming pool and the add fresh water to the pool.
When we had a baby pool, we carefully lifted the side of the pool and dumped it into the yard. If the side was too heavy to lift enough to begin draining, we could use a bucket to remove some of the water weight first.
Boiling pool water will not remove chlorine completely. Chlorine is a volatile compound that can dissipate over time when exposed to air and sunlight. The most effective way to remove chlorine from pool water is through chemical treatment or filtration systems.
To effectively remove metals from pool water, you can use a metal sequestrant or a chelating agent. These products bind to the metals in the water, preventing them from staining the pool surfaces. Regularly using a metal sequestrant and maintaining proper water chemistry can help keep your pool water free from metals.
To effectively remove water from a pool cover, you can use a pool cover pump or a siphon. Simply place the pump on the cover and let it do the work, or use a siphon to manually remove the water. Regularly removing water helps prevent damage to the cover and keeps it in good condition.
Pool water needs to be regularly sanitized with some sort of system that kills bacteria and other pathogens. Then the water needs to be run through a filter to remove dust and bio materials to keep the water clear
You should remove the antifreeze with a shop vac if possible, antifreeze will not hurt the water, but is just one more thing in the water that you do not need to be there.
Scrub it down with fresh water and a stiff broom or brush
You will have to drain some or all of the water depending on how much TDS you need to remove.
Keep your pool water clean is a very challenging task. You can use some pool supplies like Dust Net, Water filter, water vacuum cleaner for remove dust from surface, etc. Keep switch on your water filter for 24/7 hrs for cleaning water or remove small dust particles from the water. Clean your water filter after every 7 days it makes clear passage through the filter, it helps your water clean regularly. If you do not clean your filter then your filter get chocked up and water will not pass through the filter. You can chlorinate you pool water it also help to keep your pool water germs free.