Opened pool about a week ago, everything has been going fine until last night. I have been running the skimmer at night and did a vacuum yesterday and all was well.
Today I went out to the pool and the water had dropped 3 inches. Its not leaking out the filter or pump. Everything above ground is tight. I went out today for two hours, nothing was on and it dropped 1/4 inch.
I only have one return in to the pump. My local pool guy said I need to pressure test the system and then he said we still wont be sure what is going on. Any other insight that may help? Let me know any other info you would need for me to help you help me.