Let a pool pro. do it for you. Or you will be paying for a new pool.Never empty a pool unless you have some type of well point system, de-watering system around you're in ground pool. If You're pool installer encountered water,clay,any kind of surface water, they had to put a de-watering system to install you're pool.A Good pool co. will leave the system in when they are finished. But, do not drain until you call the installer.
Theoreticaly Yes
Yes
A "relief valve" can only be accessed when the pool is empty, and no swimming pool should ever be left empty. The only exception is when absolutely necessary due to repair or resurfacing, and that should be completed within the shortest possible time. Any pool that is empty, and that has a relief valve, should have the valve removed for the entire time, regardless of the weather forecast. A "hydrostatic" relief valve opens and closes when needed as it attempts to equalize the pool water pressure with the ground water pressure. Human intervention is not involved because the pool is still filled. Hydrostatic valves are great in theory, but seldom work after a few years.
A Hydrostatic valve is basically a plug that stop water coming down out of the pool, but when the water pressure under the pool gets higher then the pressure in the pool it will let water into the pool from underneath in order to stop the pool from floating in ground water.
Usa a shop vac.
The Hydrostatic valve is usually on the lowest part of the pools floor. The hydrostatic valve is there to protect the pool from being lifted by ground water in the event that it is empty. it allows the ground water under the pool to get into the pool thereby stopping it from floating out of the ground on top of the ground water.
To effectively detect an inground pool leak, you can use specialized techniques such as a pressure test, dye testing, or electronic leak detection. These methods can help accurately pinpoint the location of the leak in your pool.
Justin Bieber has a inground pool
with the use of skilled professionals to dive the pool and pressure test the lines
The most likely cause is hydrostatic pressure from underground water. This can be a very dangerous problem for the pool and I would contact the installer immediately for an onsite consultation. If it is hydrostatic pressure and is not relieved, the pool can be permanently damaged. thepoolandspawarehouse.com
make sure u remove the plug in the drain at the bottom of the pool,this allows any water that may have accumulated under the pool from seepage to evaporate and equalizes the pressure that may be created by emptying ur pool. You will need to go to Lowe's or Home Depot and buy a high power pump to empty the pool. Also you will need an unclogged drain near the pool for all the water to empty into.
once you had to empty your swimming pool it might turn into a fu***ing boat ing boat out of it