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This is very important whenĪlgae spores are always present in the air - The everyday management of a swimming pool includes preventing these Algae spores from Water - Algae need water to grow but Algae spores can remain viable for weeks in a dry state. Phosphate - Algae, like all living things need Phosphate. Nitrogen - Like all plants Algae need Nitrogen. Which is why Algae is more prevalent in summer and why a pool covered in Sunlight - Algae need Sunlight to photosynthesize. it is a fine Yellow-Brown dust.Ī single type, also known as Pink Slime or simply Red Algae. Mustard - a single type, so called because it resembles Mustard Powder i.e. Most often called Black Spot of a dozen different types. Green - The most common group of several thousand different types. It is possible and in fact quiteĬommon to get more than one type of Algae present in a pool at the same time.In the swimming pool industry we commonly break the different There are around 20,000 different types of Algae in the world of which 3,000 are common to New Zealand. Pool Algae Prevention & Treatment Algae are a plant