Quote Originally Posted by sks24 View Post
Bottom line at this point is that it appears that the first order of business is to control for this valve. Since I don't have scuba gear, it looks like I need to drain the pool again, remove the BD grate, and just go ahead and replace the valve using the valve tool they sell at that site you linked to above.
Do NOT drain the pool when the water is high; even concrete pools WILL float out of the ground. If you must drain, you MUST lower the water level around the pool.