Refill 21000 gallons of water....We've done that math already to figure out our water bill and way to expensive!

As for it being clear when filled. It was already full when we bought the house but had been covered for 3 yrs. We drained it down to about a foot deep and cleaned the debris and refilled. It was never clear even when refilled because we were battling against the long closure time with no chemicals in it.