| By :
Nadine Davis
Copyright (c) 2010 Nadine Davis As a responsible pool owner, the last thing that you should do is indiscriminately pour pool chemicals into the water, without any regard for what they're supposed to do. Doing so can cause serious problems. Instead, you can easily study up on the merits and benefits of various pool chemicals; get started below. Why Chemicals are Necessary? The primary goal of chemicals like chlorine is killing organic material and bacteria. Left unchecked, those substances can render your pool water cloudy, and the sides and bottom of your pool can turn green and slimy. Who wants to swim in that? Chemicals are used to treat the water, and to keep bacteria and organic materials from ruining a good time. As confusing as they may seem on the outset, there are only a handful of chemicals that you really need to concern yourself with when it comes to maintaining a pool or spa, and you can buy these at your local Pool Shop. Chlorine: A Basic Necessity. Chlorine generally can be purchased in 3 different forms, Granular/powder, Tablet or Liquid. Depending on your circumstances as to which form would be best for pool. In order to keep the pool water sanitary, liquid chlorine (or granular/powered) must be added to the water each day during the summer/swimming season. Tablets can be used in either a floating tablet feeder or an inline tablet feeder to deliver chlorine to your pool as the tablet slowly dissolves. PH and Alkalinity: Keeping your PH and Alkalinity under control is important to maintaining your water balance. If the Ph level in your pool is low the water is acidic it will be very corrosive to any metal components, too high a PH level and this will deplete the ability of the chlorine to properly sanitise your pool. If your PH levels are high then you add acid to lower it and add Soda Ash to increase it. Low Alkalinity can give you an unstable PH or "PH Bounce" and it would be impossible to maintain your PH correctly. By adding Alkalinity Increaser you can increase your Alkalinity levels and stabilise (steady) your PH. Too high an Alkalinity level and scaling can form on your pool surface. If you are trying to lower the PH or Alkalinity, add small portions of acid (max 1/2 ltr/50,000 ltr pool). Retest the water after approximately 6 hours of filtering to check whether you need more acid or not. Stabiliser: Sunscreen for your pool. If you don't include the stabiliser in your pool water, it is practically impossible to keep up your pool correctly as the chlorine level will not be stable due to the sun removing up to 90% of it from the water. Generally stabiliser only needs to be added to your pool 3 or 4 times a year but this will vary according to the amount of fresh water that is added to your pool. There are other chemicals your pool will need over the course of the season, and your local Pool Supplies store can supply them - and are readily available to test all your pool water chemicals, to keep your water balance in perfect shape.
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