I have three, somewhat related, questions which, without experience, dumfound me how they can be, in my pool:
The first question is:
Q1: What could make a booster pump, which appears to be otherwise working, have extremely low pressure (8 psi) measured at the water valve on the deck?
The second question is:
Q2: How on earth can a filter pump, which also appears to be working, push a two-inch diameter column of water through the air?
The third question is:
Q3: How can I tell which floor or wall drain is actually working (since I can't feel any water flow)?