How to drain and clean a gunite pool youself?

Answer 1

If you are trying to remove stains and dirt you are best advised to call in a professional with the background knowledge of the codes within your community. Some communities do not allow you to drain a swimming pool or spa to the street or sewer even if it is clean water. It is the chemicals or possible chemicals contained within the vessel that is of concern. You also have to be aware of the water table in you area. If a pool is drained even partially with a high water table, you could run the risk of it popping out of the ground by as much as four feet. It takes a good deal of knowledge and experience to know the proper ratio of acid mix to remove certain stains. There are a few different methods of tackling the plaster cleaning or acid washing.

Ken