Long enough to clean the pool.
Probably about same length so you can vacuum all sides.
My pool which is a small to medium sized pool took about 2 days.
how to find the dept of the pool if it is 15m long and 6m wide
A pool
As long as the floor: in other words, wall to wall.
Yes
You should not put chemicals in the pool while the vacuum is in. Put the chemicals in and give them a chance to work first. Then you can vacuum and backwash the filter as needed.
You should wait about 2 weeks before using a wheeled vac head OR follow the advice of the installer. He is the last authority on that subject.
Probably about same length so you can vacuum all sides.
Any pool vacuum can, including the Polaris.
According to my research the brand Zappy has very good quality vacuum cleaners that operate on their own. This eliminates the hard tasks of doing it yourself.
How do I vacuum an above ground doughboy pool?
A vacuum head that has a brush on the bottom - no wheels.
It's always better to skim and vacuum first, then balance the chemicals
You should have NO D.E. going back into the pool when you vacuum or anytime else. If you do have it going back in, you need to open the filter and check to see what part is broken, loose or missing.
First of all remove all remains of the cat. then super chlorinate it and leave it to filter for a day. check the chlorine levels and every thing should be OK after that. so long as the chlorine levels are correct the water should be properly disinfected.
Add the aluminum sulphate to the pool. Run the filter for two hours. Wait overnight to vacuum the bottom of the pool.