Green Pool Cleaning
Algae spores constantly enter the pool, brought in by wind, rain, debris or even contaminated swimsuits or equipment. Green pool conditions happen when the water is not balanced correctly, combined with warm temperatures, sunlight with presence of nitrates and/or carbon dioxide, lack of proper circulation, and not routinely cleaning the pool.
Algae are a living aquatic creature that multiplies rapidly on warm, sunny days. Containing chlorophyll, algae utilize photosynthesis to grow. That is, they take in carbon dioxide and expend oxygen as a byproduct. Algae itself is not harmful, but algae may harbor pathogens like e-coli bacteria. When these conditions are not treated it can increase the demand for chlorine, consuming chorine that should be working on other contaminants in the water, and reducing effectiveness of filters.
If you experience an algae boom, or you cannot see the bottom surface of the pool, it is time for an "Acid Wash".
The most common types of Algae are:- Green Algae:
The most common type, green algae will usually the cause of lack of proper filtration and/or sanitation. It can be free floating in the water, or on the pool walls. It reduces water clarity and is distinguished from severe copper precipitation, which will appear as a green color in the water. Green algae also appear as spots on surfaces, especially rough areas, or places where circulation is low or the entire pool, is coated in green slime. - Yellow Algae or Mustard Algae:
This type of algae will cling to the wall. It is sheet forming, and can be difficult to eradicate completely. Once it shows up, re-infection is common. This type of algae is resistant to normal chlorine levels or regular algaecides, and must be dealt with properly - Black Algae:
Perhaps the most aggravating type of algae, it is very difficult to eradicate due to the strong roots and protective layers over top of the black algae plant. Black algae will appear as dark black or blue/green spots. Their roots extend into the plaster or tile grout, and unless the roots are destroyed completely, a new head will grow back in the same place. The heads also contain protective layers to keep chemicals from entering the organism. Like yellow algae, once it starts, black strains can bloom even in the presence of normal sanitizing levels and proper filtration, and must be dealt with properly.
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