--- title: The Pool Shark H2O Commercial Pool Chemistry Blog | Pool Operation description: Pool Operation | Learn how to use the Pool Shark H2O pool log book app to keep your commercial pool clean, healthy and profitable! --- 855-742-7542 - - - [Login](https://app.poolsharkh2o.com) [![Pool Shark H2O - Chemical Recording and Pool Maintenance](https://blog.poolsharkh2o.com/hs-fs/hubfs/raw_assets/public/PoolSharkH2O_December2020/images/poolSharkPLogo-130x100.png?width=200&height=225&name=poolSharkPLogo-130x100.png "Pool Shark H2O - Chemical Recording and Pool Maintenance")](https://poolsharkh2o.com/) - [Home](https://poolsharkh2o.com/) - [Pool Log Book](https://poolsharkh2o.com/pool-log-book/) - [Commercial Pool Software](https://poolsharkh2o.com/commercial-pool-management-log/) - [Corporate Solutions](https://poolsharkh2o.com/commercial-pool-management-log/corporate-solutions/) - [Features](https://poolsharkh2o.com/features/) - [Pricing](https://poolsharkh2o.com/pricing/) - [Contact](https://poolsharkh2o.com/contact/) - [Blog](https://blog.poolsharkh2o.com/) - [Search](https://blog.poolsharkh2o.com/search-blogs) - [Home](https://poolsharkh2o.com/) - [Pool Log Book](https://poolsharkh2o.com/pool-log-book/) - [Commercial Pool Software](https://poolsharkh2o.com/commercial-pool-management-log/) - [Corporate Solutions](https://poolsharkh2o.com/commercial-pool-management-log/corporate-solutions/) - [Features](https://poolsharkh2o.com/features/) - [Pricing](https://poolsharkh2o.com/pricing/) - [Contact](https://poolsharkh2o.com/contact/) - [Blog](https://blog.poolsharkh2o.com/) - [Login](https://app.poolsharkh2o.com/) # The Pool Shark H2O Commercial Pool Chemistry Blog News & Updates # Search the Pool Shark H2O Blogs Our blog library has an extensive amount of articles on common issues with pool water chemistry and the most common causes of these issues. Use the search below to find an article that may help resolve your pool question. This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. If you are not finding the answer to your question, feel free to email us at [support@poolsharkh2o.com](mailto:support@poolsharkh2o.com) and we can try to help. [![How to Close a Swimming Pool for Winter: 7 Steps for Commercial and Public Pools](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/how%20to%20close%20a%20swimming%20pool%20for%20winter.jpg)](https://blog.poolsharkh2o.com/how-to-close-a-swimming-pool-for-winter) # [How to Close a Swimming Pool for Winter: 7 Steps for Commercial and Public Pools](https://blog.poolsharkh2o.com/how-to-close-a-swimming-pool-for-winter) Nov 04, 2026 When swimming season comes to an end, properly closing your pool for winter is one of the most important steps you can take to protect your investment. Winter weather, freezing temperatures, and months of inactivity can take a toll on pool equipment, plumbing, and water quality if the right precautions aren't taken. [![Remove Pollen in Pools: Best Practices for Commercial Pool Operators](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/pollen%20in%20pools-1.jpg)](https://blog.poolsharkh2o.com/pollen-in-pools) # [Remove Pollen in Pools: Best Practices for Commercial Pool Operators](https://blog.poolsharkh2o.com/pollen-in-pools) Nov 04, 2026 Every spring, hotel, apartment, HOA, and public pool operators face the same challenge: a yellow or green film coating the water's surface. Whether it's tree pollen, grass pollen, or another seasonal source, pollen can quickly make an otherwise well-maintained pool look neglected. [![Pool Water Balance: How Do I Balance Pool Chemicals in the Right Order?](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/balance%20pool%20chemicals.png)](https://blog.poolsharkh2o.com/pool-water-balance) # [Pool Water Balance: How Do I Balance Pool Chemicals in the Right Order?](https://blog.poolsharkh2o.com/pool-water-balance) Oct 27, 2026 Maintaining balanced pool chemistry in commercial and public facilities is about water clarity, regulatory compliance, swimmer safety, pool reputation, and operational efficiency. In other words, it’s everythingfor your business. [![Cyanuric Acid Levels in Swimming Pools](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/cyanuric%20acid%20in%20pool.jpeg)](https://blog.poolsharkh2o.com/cyanuric-acid-in-pool) # [Cyanuric Acid Levels in Swimming Pools](https://blog.poolsharkh2o.com/cyanuric-acid-in-pool) Oct 23, 2026 Conditioner. Stabilizer. These are other names for a chemical called Cyanuric Acid. What is it? Do we need it? What are the ups and downs? Let’s talk CYA. [![Reasons Your Public or Commercial Pool Water Could Be Cloudy](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/Cloudy%20Commercial%20or%20Public%20Pool%20Water.png)](https://blog.poolsharkh2o.com/pool-water-cloudy) # [Reasons Your Public or Commercial Pool Water Could Be Cloudy](https://blog.poolsharkh2o.com/pool-water-cloudy) Oct 20, 2026 Isn’t it the absolute worst to come to check on your pool and you can’t see the bottom due to cloudiness? Not only is this illegal for safety reasons (the main drain MUST be visible), but it means something isn’t right with the water. It also makes the pool unappealing to clients and guests. There are many reasons this could occur. Let’s talk about a few. [![A Guide to Pool Algae](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/Pool%20Algae.png)](https://blog.poolsharkh2o.com/pool-algae) # [A Guide to Pool Algae](https://blog.poolsharkh2o.com/pool-algae) Oct 20, 2026 I am not only a Certified Pool and Spa Operator, but a Certified Algae Prevention and Eradication Specialist. I went to www.cpoclass.com to get my certification and will be referencing the accommodating textbook, “How to Get Rid of and Prevent Swimming Pool Algae”. Both of these are by Rudy Stankowitz. [![Chlorine Shock vs Non-Chlorine Swimming Pool Shock](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/Pool%20Shock%20vs%20Chlorine%20Shock.png)](https://blog.poolsharkh2o.com/chlorine-shock-vs-swimming-pool-shock) # [Chlorine Shock vs Non-Chlorine Swimming Pool Shock](https://blog.poolsharkh2o.com/chlorine-shock-vs-swimming-pool-shock) Oct 16, 2026 We all use sanitizer to keep our bodies of water safe. Chlorine is the most widely used form of sanitation. It is available in granular, liquid, and tablet form. Some of us may manually add it while others have chemical feeders. There comes a time in every pool operator’s life when we need to shock, or oxidize, our pools and such. How do we know whether we need a chlorine shock or a non-chlorine... [![Which LaMotte Pool Test Kit is Right for Your Commercial Pool Business?](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/lamotte%20pool%20test%20kit.png)](https://blog.poolsharkh2o.com/lamotte-pool-test-kit) # [Which LaMotte Pool Test Kit is Right for Your Commercial Pool Business?](https://blog.poolsharkh2o.com/lamotte-pool-test-kit) Oct 15, 2026 When you’re testing pool water multiple times a day–especially across multiple locations and aquatic facilities–the details matter. Not to mention, because your guests’ health and safety, and your pool’s reputation and business depend on it. [![Pool Operation Management](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/Successful%20Pool%20Operation%20Management.png)](https://blog.poolsharkh2o.com/pool-operation-management) # [Pool Operation Management](https://blog.poolsharkh2o.com/pool-operation-management) Oct 14, 2026 Pool maintenance plays a vital role in keeping pools in good operating condition and in compliance with health codes. Unfortunately, it can be quite a difficult task at times, requiring daily testing to check water chemical levels in the pool, and frequent adjustments so that the chemicals stay in the acceptable range. Particularly when using non-digital testing methods and data recording... [![What Water Quality Risks Are Most Common in Hydrotherapy Pools?](https://blog.poolsharkh2o.com/hubfs/Blog%20Images/hydrotherapy%20pool%20maintenance.png)](https://blog.poolsharkh2o.com/hydrotherapy-pools) # [What Water Quality Risks Are Most Common in Hydrotherapy Pools?](https://blog.poolsharkh2o.com/hydrotherapy-pools) Oct 07, 2026 Hydrotherapy pools face higher water quality risks than traditional commercial pools because warmer temperatures, longer user exposure, and vulnerable populations increase contamination and sanitizer demand. 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