A square foot cannot hold water its 2 dimensional. What you see is what you get . A one cubic foot container can hold 7.48 US gallons of liquid.
A square foot of Plexiglas can hold no water. It is a flat sheet. A cube of Plexiglas would be needed.
one square foot of water weights how much?
There is not enough information. What is the height of the pool? The pool area is 648 square feet.
much water per foot will a 5 inch pipe hold
1 foot=12 inches so 100x12= 1200 square inches
12 cubic feet
Depends on the structural integrity of the deck.