Algaecide will work best for your particular situation depends on the type of algae growth you are experiencing in your pool.
Allow the combination of shock and algaecide 36 hours to work to its capacity. If you still have green material in the pool, repeat the brush-double shock-algaecide cycle. It is not a lot of fun, but I don't think you need to pay for a pool service and their chemicals to fix this problem.  Check out my website-http://www.clean-pool-and-spa.com/poo... eBook-http://payhip.com/b/LmiI. What happens to your pool if you add too much algaecide. An algaecide, specifically a PolyQuat 60, can be an important part of your routine pool maintenance. However, serious side effects such as foaming and skin irritation can occur if too much of the wrong algaecide is added.  1 The “quat or “polyquat algaecides are quaternary ammonium compounds (instead of a copper formula), which treat and prevent algae growth in a different way. 2  These algaecides are safer to use than a copper based algaecide because they will not stain a swimming pool. 1. Add preventative algaecide to your swimming pool on a weekly basis if you regularly experience problems with algae growth. If you have never had an algae problem in your swimming pool, there is no need for the algaecide. If algae are present in your pool despite your regular pool care routine, which can be indicated by brown, green, blue-green, black or yellow areas on the walls of the pool or an algae bloom in the water, then using algaecide is definitely in order. While the chlorine you use for regular pool maintenance and water sanitization does have bactericidal and algaecidal properties, the addition of pool algaecide will enhance and prolong the effectiveness of the chlorine and can act as a valuable backup to the anti-algae effects of regular chlorination. Which algaecide will work best for your particular situation depends on the type of algae growth you are experiencing in your pool. For example, most algaecides are effective against green algae, but black algae may require an algaecide specifically formulated to treat this resistant type. While the chlorine you use for regular pool maintenance and water sanitization does have bactericidal and algaecidal properties, the addition of pool algaecide will enhance and prolong the effectiveness of the chlorine and can act as a valuable backup to the anti-algae effects of regular chlorination. Know the different types of pool algaecide. 1  Copper-based algaecides use copper to treat algae growth, and are most effective against mustard and green types of algae. 2  Copper algaecides will not cause foam in a swimming pool, which can be a problem when using “quat algaecides. 1. Add preventative algaecide to your swimming pool on a weekly basis if you regularly experience problems with algae growth. If you have never had an algae problem in your swimming pool, there is no need for the algaecide. Algaecides are used to kill algae; whereas, algae stats are a proactive treatment that is used to prevent the growth of algae. In many cases, the difference between algaecides and algae stats is simply the dosage strength of the chemical formula used for treatment. While the chlorine you use for regular pool maintenance and water sanitization does have bactericidal and algaecidal properties, the addition of pool algaecide will enhance and prolong the effectiveness of the chlorine and can act as a valuable backup to the anti-algae effects of regular chlorination. If you have experienced any metal staining in the past, you should use a quat or polyquat algaecide to treat your swimming pool. Polyquat Algaecide. Polyquat algaecides are a highly effective treatment option for all types of algae and do not have the staining issues of copper algaecides or the foaming issues of quats. While the chlorine you use for regular pool maintenance and water sanitization does have bactericidal and algaecidal properties, the addition of pool algaecide will enhance and prolong the effectiveness of the chlorine and can act as a valuable backup to the anti-algae effects of regular chlorination.
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