Q: I have recently had a medium-sized pool installed in my backyard, and my family and I have used it a lot already to cool off from the summer heat. However, the water is starting to look a little ...

Usually when a pool develops black algae, it is because the interior surface is deteriorating and/or chlorine levels have been maintained too low to fight off the algae blooms."To minimize a repeat of ...

Question: This is my first summer as an in-ground swimming-pool owner. Within the past few days, the afternoon heat and summer rains caused green algae to grow in my pool — on the steps and the ...

Q. I have an in-ground pool with a vinyl liner. Are the dark spots in my pool black mold or black algae? A. Black mold grows as a result of trapped moisture in the virgin soil behind the sides or ...

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At first glance this pool looked more like a swamp than a swimming pool. Thick green algae covered the water, making it impossible to see the floor. Shock treatment and flocculant were added, and the ...