We are leaving to go on vacation for six weeks. We recently re-plastered with Turtle Bay Pebble Sheen. I think because of the darker color, the evaporation is much more than usual (and it has been HOT here). Our spa (no pool) measures 7' by 9' and Pool Store figures it at about 600 gallons. It loses about ½ inch a day. I don't want our pump to be without water while we are gone so I bought a CMP Aqua Level Auto Fill. It seems to stick sometimes and since we are on water restriction, I also don't want it to overflow. Does anyone have a suggestion of an automatic filler?? I don't want to rely on a friend to check it daily so I need some help before we leave. Would like to not worry while we are gone.......