The algae may have formed after adding algaecide because the algae blooms had already began to form and were capable of blooming despite the addition of algaecide. Algae can become airborne, or ride into your pool on debris, a swimsuit, or pool toy. If you follow these steps, you can get rid of your pool algae problem in just a few days or less. Dealing with green pool water? It doesn’t take much for algae to enter your pool. It can be a nasty shock when you discover that the normally clear, sky-blue water in your pool turned green overnight. The same way water can sometimes turn green in a perfectly sanitized pool, it can also turn green seemingly with no explanation after adding algaecide as well. While nitrates don’t specifically turn a pool green, they act like food for algae, a plant that is constantly trying to grow in pools. The MSDS for this product shows that it is indeed 3.3% copper. Ike However, if this doesn’t work you are probably going to be wondering what to do next and what could possibly be turning your pool water green. Davy Merino on September 21, 2020 at 1:34 pm said: Hello, you can shock it to kill the algae, without having the pump to circulate. If a pool doesn’t have a proper chemical balance and then nitrates are introduced to the water, turning the pool clear again can become a challenge. This chemical, however, can have side effects for both the water and swimmers if … First, you should know the only thing that can turn pool water green is Algae. Algaecides are a liquid substance added to the surface of the pool. Many cheap algaecides contain copper which can turn your water, your hair green and stain your pool. Why Did My Swimming Pool Turn Green? And luckily, there’s plenty you can do to win the battle against algae and reclaim your pool. The pool is green, though, and I don’t have the pump to run so I can shock it to get it clear before winterizing and adding the cover. Two reasons that your pool is green could be algae, of course, or copper. When it finds water with nitrogen and phosphorus, that isn’t protected, algae start eating, and the bloom can seemingly appear overnight. This guide will help you determine if your green water is caused by algae, pollen or something else entirely. Because algae feed on phosphates, algae blooms due to phosphorus can become overwhelming in the summer months when the water temperature exceeds 78–82° F. This holds true especially in the summertime. Phosphorus, or phosphate, can enter the pool by leaching out of leaves or organic debris in the pool, or drifting there from fertilizer sprayed near or around your pool. Both are responsible for eating up your available chlorine which can turn into a green pool. Typically, algae is the source of green pool water, and it’s certainly possible that it took over quickly, even overnight. You can treat this problem with routine additions of metal sequesterant or solve it with water replacement. Algaecide, when used properly, can be an important tool in fighting the onset of green, black or mustard algae in your swimming pool. Figure out why with Backyard & Pool Superstore. When dealing with a green pool your first step is usually going to be to shock it or to treat it with an algaecide. Credit. Algae can grow for a handful of reasons: when the pool is lacking in circulation, the water is warmer than normal, or if the chemicals are out of balance. Sometimes, algae can grow during the winter and is often found when you go to open up for the summer. In this post, show you how to fix a green pool in just 5 steps. Why is my pool green? 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