The spa shock is (hth) shock ,n swim added 2 cups Calcium hypochlorite. 1200 gals. 89 is the temperature.Yes it covered and inside a exceise room in a building.Yes it run all the time set at 89̊ . there is two 5 hp motors. two floating bromide units. this is a swim spa. thank you village. It look a little better today. like foam floating on it now, I think i should add some foam stuff now?