Cyanuric Acid helps the chlorine work more effectively in your pool. But if your Cyanuric Acid levels get too low or too high, you could end up weakening your chlorine and causing everything from algae to cloudy water. Don’t worry: there are a few simple steps you can take to keep the Cyanuric Acid levels balanced in your pool.
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⏰ Timestamps:
00:00 - Introduction to Balancing Cyanuric Acid (CYA)
00:27 - What Is Cyanuric Acid?
01:07 - How Does Cyanuric Acid Help Stabilize Chlorine?
01:48 - What Are The Right Cyanuric Acid Levels?
02:50 - When Should You Test Your Cyanuric Acid Levels?
03:29 - Pool Maintenance Video Course
04:16 - How To Lower Cyanuric Acid Levels
05:22 - How To Raise Cyanuric Acid Levels
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Cyanaric acid helps the chlorine to work more effectively in your pool, but if your cyanaric acid levels get too high or too low, you could end up weakening your chlorine and causing everything from algae to cloudy water. So don't worry here are a few simple steps that you can take to keep your synaric asset levels balanced in your pool, check it out. First, what is cyanic acid? Well, cyanic acid is also known as cya pool, conditioner or pool stabilizer, and it comes in both liquid and granular form. You can even get it pre-mixed in with chlorine tablets or sticks.

These products are called stabilized. Chlorine. Cyanide acid allows your pool water molecules to hold onto the chlorine, specifically free chlorine. Now free chlorine is the amount of sanitizer that's available to clean your pool water.

The other good thing about cyanuric acid is that it has little effect on alkalinity, ph and calcium hardness levels. Its one job is affecting chlorine. So how does cyanic acid help stabilize chlorine? Well, when you add chlorine to your pool water, it transforms into sodium hypochlorite ions and when uv rays from the sun hit those ions they break apart and the chlorine evaporates leaving very little free chlorine in your pool water. Now cyanuric acid binds to those ions and prevents them from breaking apart when exposed to uv rays.

Now, if your cyanaric acid levels are too low, your pool won't hold on to the chlorine. If your cyanaric acid levels are too high, your water will become saturated and it won't hold on to more chlorine. The right balance between cyanic, acid and free chlorine levels will help you get the most out of your sanitizer. What are the right, cyanuric acid levels? Well, we recommend keeping your cyanarc asset levels between 30 and 50 parts per million.

If your cyanic acid level is over 50 parts per million, it can inhibit your chlorine. You may notice algae growth, difficulty, maintaining balanced chemistry, cloudy pool water and decreased sanitizing. Now, if your levels climb above 100 parts per million, you may not be able to even read that exact amount on a test strip. You'll want to take that sample into your local pool supply store for more accurate testing.

Now, if your cyanic acid is low between 0 and 30 parts per million, you'll need to add some to your pool. You'll also want to know your free chlorine levels. Your free chlorine should be between 1 and 3 parts per million when using cyanuric acid aim to keep your chlorine levels at about 7.5 percent of cyanide acid levels. That means, if your pool has 50 parts per million of cyanuric acid you'll need to keep free chlorine at three parts per million to effectively sanitize your water and prevent issues like algae okay.

So when should you test your cyanaric acid levels? Well, besides, regularly testing your pool water you'll want to test your water at the beginning and the end of pool season. If your cyanaric acid is low at the beginning of the season, you'll end up using more chlorine in the months ahead and if it's high at the end of the season, it might be time to change your pool water. Secondly, test your pool water right after a major rainfall diluted, water can also result in lower cyanuric acid levels and, finally, if you notice the strong chlorine smell on your pool, that could be a sign that there's actually too much cyanaric acid, affecting your chlorine, so check Your chlorine and your cyanaric acid levels real quick before we continue. If you're looking for an easy to follow tutorial, that'll answer, all your pool questions go check out our pool care handbook and video course you'll, get over 30 in-depth video lessons and a step-by-step downloadable guide covering everything you need to know about, pool maintenance, it's packed with Money saving tips, so you can save money and time keeping your swimming pool clean.
This is the ultimate manual for every type of pool, including in-ground above ground and in-text blow-up pools the best part is we always keep it up to date, so once you buy it, you have access to the latest and greatest version for life so because you're watching This video, you can go to swimuniversity.com pool and use the promo code, video, okay, so here's how to lower the synaric acid levels in your pool if your synaric acid levels are too high check to see if you're using stabilized chlorine remember stabilized. Chlorine already contains a small amount of cyanaric acid, and if you see the following chemicals listed on your label, your chlorine contains cyanic acid. If this is the case, you may want to switch to chlorine without the added cya to prevent your levels from rising again. Unfortunately, diluting your pool water is the only way to lower high cyanic acid levels, so drain a little water from your pool to bring down the water level and then top off your pool with fresh water.

Now, if the levels are extremely high, you may want to completely drain your pool and refill it with fresh water. This is rare and stabilized chlorine with cya can hang around in your filtration system, so you may want to backwash or change your filter. Cyanuric acid has also been found in cool plaster and in calcium scale. So if your levels climb rapidly after you refill your pool that lingering cya could be the problem next, here's how to raise cyanaric acid levels in your pool now to increase cyanaric acid in your pool.

You just simply need to add it remember: cya is an acid. It can damage your filter and pool, especially if you have a vinyl liner, always read the manufacturer's instructions before using it. But here's the way that we recommend adding it to your pool you're, going to need synaric acid, a 5 gallon bucket safety, goggles and acid resistant gloves and warm water. First, you want to fill the bucket at least halfway with warm water put on your gloves and your goggles and add a dose of synark acid to the bucket check the product instructions for your pool size as a general rule for a 10 000 gallon pool you're Going to need to add 13 ounces of cyanic acid to increase your cya by 10 parts per million.
Pour the contents of the bucket directly into your skimmer and then run your pump for at least a few hours to stir in the solution to your pool. And that's it! That's everything that you need to know about balancing cyanic acid levels in your pool, sorry for saying cyanaric, acid! So many times, if there's a pool care topic, you'd like us to cover in a future video. Please leave a comment to let us know and hit the like button below. If you found this video helpful.

If you want to learn more about pool maintenance and troubleshooting subscribe to our channel for more videos like this one and check out the pool care handbook and video course at swimuniversity.com pool, don't forget to enter the promo code, video to get 10 off. That's it thanks again and happy swimming.

23 thoughts on “How to balance cyanuric acid in your pool | swim university”
  1. Avataaar/Circle Created with python_avatars Trent Draven says:

    I had a new client call and asked if I can fix their pools. Unfortunately it was a swamp.🤢 I did a water test and the level of CYA was at 0. So I added the correct amount and left the pump on for 48 hours. But still no reading. What is up? Need help

  2. Avataaar/Circle Created with python_avatars Cory Smith says:

    Sometimes I wonder if the quality of the CYA matters regardless of the levels?

  3. Avataaar/Circle Created with python_avatars Angela M Holderread says:

    How often should it get high, we just had to empty our pool to fix cya 2 yrs ago and it’s at 54 now ? What can I do ?

  4. Avataaar/Circle Created with python_avatars William Mccormick says:

    My chlorine is high and my acid is low, my ph is good my alkaline is good, my hardness is high, my water is super clear! Anyone have any ideas what to do to get it back to normal Are you in Orleans ?

  5. Avataaar/Circle Created with python_avatars Truckacabra Rex says:

    What do I do if I had three chlorine tabs melt in one night instead of the weak it was supposed to take to dissolve in. My cya is I think 87 and my chlorine level is 15 the guy at the pool store sold me some stuff to add and a steps to muriatic acid is one of the steps will this remove cya ?

  6. Avataaar/Circle Created with python_avatars Bik3rboy666 says:

    I'm a new pool owner and I am extremely confused about the PPM calculation, my pool is a Round 24-ft with a 48" Wall which holds 11,895 gallons of water.

    When adding any chemicals and they talk about ppm…. How do I know how much to add base on the ppm results from the test

  7. Avataaar/Circle Created with python_avatars Sujeet Dutta says:

    Can’t find how to use the promo code

  8. Avataaar/Circle Created with python_avatars Duane Thomas says:

    Are calcium chloride ice melt flakes the same that you use in your pool to increase the calcium hardness?

  9. Avataaar/Circle Created with python_avatars Chris Kennedy says:

    Could you please address why I might have a skimmer that draws more suction, while the other skimmer is weak.
    Thank you

  10. Avataaar/Circle Created with python_avatars Dave Graham says:

    Do you mix the warm water & stabilizer to dissolve the granular stabilizer with stir stick u didn’t Service area Kanata??

  11. Avataaar/Circle Created with python_avatars Roblando33 says:

    Why does my pool company recommended CYA to be between 60-120ppm? I’m in northwest Florida.

  12. Avataaar/Circle Created with python_avatars Ryan K says:

    I live in Florida, during summer i have to periodically fill the pool due to evaporation loss. Does the CYA get left behind?

  13. Avataaar/Circle Created with python_avatars danotic says:

    do you need to worry about cyanuric acid levels if you use Bromine in your hot tub?

  14. Avataaar/Circle Created with python_avatars Alex Gunawan says:

    How to help Chlorine more effective to have shorter Breakingpoint dealing with organic matter in the seawater ponds ?

  15. Avataaar/Circle Created with python_avatars Caroline Weeks says:

    We use a spin disk set up and our CYA level range is 30-90…but I tell my customers 30-60.

  16. Avataaar/Circle Created with python_avatars Memento Mori says:

    If your pool contains 60 ppm of CYA, you’ll need to drain 50% of the water out of your pool, and refill it to get it down to 30 ppm.
    In other words….. If you have a 20,000 gallon pool, you’ll need to drain 10,000 gallons, and refill it with 10,000 gallons of fresh clean water. $$$

  17. Avataaar/Circle Created with python_avatars Cooking With The Gutti - Davids Kitchen says:

    We have an inground Gunite, pool 10,000-gallon built-in 2007, Pop up cleaning and T cell Hayward Cl generator. Public Water is way high in Calcium. Readings today

    I use the Taylor K – 2005 Salt Test Kit

    FC 3, Alkalinity 90, pH 7.6, salt 4000, CYA 100+, Calcium Hardness way over 1000,

    I am gonna add 8 oz of Muriatic Acid to get pH to 7.4 or less. Every day I add 8 oz of Muriatic Acid

    I live in Yuma, today it is Like 115* pool water is 93 and even 95*. I have Salt Generator, T Cell 15 in the Hayward branding. Before I bought the home in July, the owner had a pool service that came 2 times per week, We rented for 12 months before buying. The T Cell was not working last year so the pool service was using stabilized chlorine pucks right now my CYA is well over 100 because of the pucks

    New T cell 15 Generator is set to 35% which keeps my FC level at 3 to 5. Periodically I use the super chlorinator button to bump FC to 8 or 10 but then back to 3 in a few days. The pool is always crystal clear, the other day I dropped a contact in the water and was able to find it.

    I noticed that every day I need to add 8 to 10 ounces of Muriatic acid because the T cell makes Hydrochloric acid when it converts the salt to chlorine. The pH can get to 8 in 3 or 4 days if I dont give it a daily dose.

  18. Avataaar/Circle Created with python_avatars Walaa Elsabagh says:

    Can you add CYA mixed with water directly into the skimmer of above ground saltwater pool?

  19. Avataaar/Circle Created with python_avatars Scott S says:

    Judging by our bill..we have expensive chlorine.

  20. Avataaar/Circle Created with python_avatars Ryan says:

    After adding how long should you wait until you can swim Are you in Ottawa ?

  21. Avataaar/Circle Created with python_avatars Ace King says:

    How do I increase my free chlorine?

  22. Avataaar/Circle Created with python_avatars John Gnaedinger says:

    Had a HUGE algae problem earlier this year, root cause was high CYA levels (about 100ppm). Had to super-ultra shock the pool with TEN GALLONS of pure concentrated (10%) liquid chlorine and it took DAYS to clear up. Learned my lesson–I'm never using the stabilized chlorine pucks for sanitation again, unless I happen to be away from the pool for a length of time. I now use liquid chlorine exclusively. Slowly, due to multiple backwashings and lots of rain and such, CYA has naturally dropped down to 70, but that's still higher than I want, but I don't feel like draining half my pool just to lower the levels. One thing you don't stress enough is that the FC levels should be MUCH higher than the typical "1-3ppm" levels everyone says you should maintain if your CYA is high, especially if you use those stabilized chlorine pucks for sanitation. Even your "7.5% of CYA" is too low for me. I currently keep my pool at about 9-11ppm due to my CYA levels. No more algae, and totally safe to swim in. Service area Barrhaven??

  23. Avataaar/Circle Created with python_avatars Mr Hedrox says:

    Your levels are quite a bit different than Leslie’s ideal range. They have it from 50-100 ppm. 🤔 My actual level is 41 so I won’t be messing with it, thanks for all the great info!

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