We purchased an Intex 20' x 48" pool. Had the fire department fill. We knew that we would have to use an Iron out type product. Filled saturday, used the iron out the same day, the following day the hubby put some shock and I think alkaline decrease and it went from a brownish color to murcky brown/green. I have cleaned the filter every few hours since this. We are finally to a clear water but it still has a brown/green hue to it. I have vacuumed so many times I cannot count. We have not put any other chemicals in at this time other than another bottle of iron out. Tomorrow will be one week and I feel like it should be more clear. Any advice?? pictures below...from test strip: (MY OPINION) total hardness (close to 250) PH: High 8.4ish Alkalinity: 180-240Chlorine: Very low