Let’s briefly look at some of the other ways you can sanitize your swimming pool water without having to rely on chlorine. Please ensure granules are fully dissolved before adding to pool. Since it floats on the surface, the lack of circulation means it doesn’t disperse very well and ultimately leads to poor sanitation. As you can imagine, they’re not ideal to have in the pool when people are using it, either. Using an automatic chlorinator is the best method if you can afford to invest the money, but you won’t be surprised to know it’s also the most expensive of the three. Finally, since this type of chlorine has a shorter lifespan than stabalized chlorine, it can also be used in large doses to shock your pool, or even as an emergency top up to quickly restore falling chlorine levels. This is a more hands on approach, but it also gives you more granular (pun intended) control over your chlorine levels. Let’s face it, pool maintenance is no walk in the park, especially when it comes to learning the processes and ingredients that contribute to a clean and friendly pool. Chlorine Granules for swimming pools, spas & hot tubs. At least 10x the chloramine level to reach “breakpoint chlorination” in the water, which is when chlorine begins to rip apart the chloramine molecules. This makes it the easiest form of chlorine to use, and the one we recommend to most domestic pool owners. poolonomics.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. How to Add Granular Chlorine Into a Pool Skimmer. Be aware that if you don’t use enough chlorine to reach breakpoint you can actually make the problem worse as it will only create more chloramines. Your filter system is designed to pull in, clean and circulate your pool water. For the best experience on our site, be sure to turn on Javascript in your browser. I already mentioned that chlorine used in swimming pools comes in either tablet, powder or liquid form, but there are some nuances you should be aware of before pulling the trigger on a purchase. Once the chlorine is added to your water, it forms a new substance called ‘hydrochloric acid’ which disables harmful bacteria, viruses and other microscopic dangers by combining with them. All you need to do is add chlorine to your pool skimmer (preferably tablets), and you can sit back and let it do the work of sending the dissolved chlorine through your filter system and our into your pool water. As always, don’t forget to wear the right protective equipment when handling pool chemicals such as chlorine. Below I’ll cover the 3 methods you can use to add chlorine to your pool, the pros and cons of each, and which one I personally recommend above all. So far so simple, but how does it actually work? Stabilised Chlorine Granules are a fine grade rapid dissolving chlorine. That being said, there are some differences that make a salt system more desirable. This is more effective than a floating dispenser and is a much better option overall, but you will need to remove the chlorine from your skimmer when your pump is off, otherwise you’ll get a high concentration of chlorinated water which can be corrosive. Please read instructions on all Stabilised Chlorine Granules before use. For more information on chemicals and water treatment there are documents and downloads available in our Resources section. This stuff is very effective at killing bacteria, but has trouble dealing with organic matter that will eventually become resistant to it’s effects. Some people are bothered by these side-effects and wish to try an alternative. Pool shocking deserves an entire article by itself, so I’ll refer you to my pool shock review and guide for more detailed information on this process.