We have a gunnite pool, and it has dropped about 1.5' per day of water for the past few days. I had lowered the water level and winterized the pool and went out the next day to put the winter cover on and the pool was down 1'. We had to leave for the weekend and when we came back the pool is down about 3' and falling. I am not sure how the leak happened, but it must be in the main drain (in the 9' deep end) as the water level is below everything else. It is an older pool, probably 20-25 years old. I have a number of questions.
1. Should I fix this now and fill it back up with water or wait till spring? Fixing now presents some challenges as the leaves are falling and the water isn't clear.
2. If I should fix it now, should I pump out the rest of the water and fix it dry?
3. How should I fix it? Cap the main drain? As I mentioned, it is 9' down.
4. What are the dangers (to the pool) of leaving it, or fixing it dry, etc?
Thanks for any help and if you think of answers to questions I haven't thought of, I am open to any and all input.