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  1. LFF

    Combined Chlorine

    I am having an issue getting combined chlorine under control. Chemistry in check. SLAM isn’t working. We have some areas that I believe are the cause: 1) Bird droppings once to three times a month (average). 2) Cage has soot from developers burning trees. Eveytime it rains, we get black gunk...
  2. LFF

    Hello from Port St Lucie Florida

    We have a 10,500 gallon Salt Water Pool, Concrete (Pebble finish), with hot tub.