What should the calcium hardness levels be in your pool? And what should you do if it's too high or too low? Here’s everything you need to know about maintaining and controlling the calcium hardness levels in your inground or above ground pool.
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⏰ Timestamps:
00:00​ - Introduction to Calcium Hardness In Your Pool
00:16 - What Is Calcium Hardness?
00:45 - What's The Correct Calcium Hardness Levels?
01:05 - What If Your Calcium Hardness Levels Are Too High
01:32 - How To Lower Your Calcium Hardness Levels
02:35 - Pool Care Video Course
03:21 - What If Your Calcium Hardness Levels Are Too Low
03:36 - How To Raise Your Calcium Hardness Levels
04:15 - How To Maintain The Correct Calcium Hardness Levels
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How much calcium should be in your pool, and what should you do if there's too much or too little here's everything you need to know about managing and controlling calcium harness levels in your pool check it out? First, what is calcium, hardness and you've probably heard the term hard water before, and it simply means that your water supply has a high level of minerals, including calcium, that can leave deposits and build up. So if your calcium, harness levels in your pool are too high or even too low, it can cause damage to your pool. This includes your pool, filter your pump, your heater and even the pool itself. That's why it's so important to monitor and balance the calcium harness levels in your pool.

So what's the correct, calcium, hardness level? Well, if you have a pool with a vinyl liner or it's made of fiberglass, the calcium hardness level should be between 175 and 225 parts per million. And if you have a concrete or plaster pool, keep the calcium levels a little higher between 200 and 275 parts per million? Now, what if your calcium hardness levels are too high? Well, if the calcium and hardness levels in your pool gets too high, the water will be hard and the first sign is usually a cloudy pool. Now, normally you can clear a cloudy pool with a little shock or water clarifier, but if the cloudiness doesn't go away after shocking your pool even a couple of times, you could have too much calcium in the water, and you may also notice a buildup of calcium On pool surfaces, so here's how to lower calcium hardness in your pool number one test: your water source. If the calcium level is high, try using a hose filter to keep some of those minerals out, then you can drain some of your pool water and replace it with fresh filtered water.

This is also called dilution. Number two use pool flocculin you can try using pool flock to clump up the excess, calcium and once the clumps form and fall to the bottom of your pool. You need to manually vacuum them out through your filter's waste port. Now be sure that your filter has a waste setting before using full flop and just note calcium, that's already dissolved in the water will not be affected by flocculin.

It only affects calcium solids that haven't been dissolved in solution. Yet number three try muriatic acid. If draining and plot don't work, you can add muriatic acid as a last resort. Now it won't actually reduce your water's, calcium, harness levels, but it will help bring your pool water back into balance 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 and 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, what if your calcium hardness levels are too low? Well, low calcium levels means your water is soft and that can corrode parts of your pool. Soft water can dissolve concrete and plaster and corrode any metal parts submerged or touched by the water. Luckily, bringing the hardness levels up is much easier than lowering it all.

You need to do is add calcium, hardness increaser to your pool now be sure to carefully follow the instructions on the package for the best results and to add the proper amount of hardness. Increaser you'll need to know your pool's volume so be sure to check out our pool volume. Calculator. Video just know that the calcium that you add to your pool doesn't dissolve right away.

It may take a while, and the chemical can heat up when it comes in contact with water, so i recommend, as always, to wear protective gear when handling chemicals and be patient when adding calcium to the wall. Finally, how do you maintain the right, calcium, hardness levels? One you want to balance the water keeping a close eye on your pool. Chemistry will help you prevent problems related to calcium, harness and a lot of other things as well number two test, your water frequently. This is especially important if you have hard water testing every week or two weeks will help you stay on top of any water chemistry, imbalances, be sure to use test strips or a liquid test kit that measures, calcium, hardness and number three address: calcium, hardness level problems.

Early, don't wait for water hardness to get out of hand before you try to fix it as soon as you see the levels getting close to the lower or upper limits. The rate range for your pool take action. This will save you from dealing with serious, calcium, buildup and pool damage 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 percent off, that's it thanks again and happy swimming.

20 thoughts on “How to balance the calcium hardness in your pool | swim university”
  1. Avataaar/Circle Created with python_avatars Sam Hodson says:

    It's a shame that questions are not answered.

  2. Avataaar/Circle Created with python_avatars Dan Kelly says:

    Now I need to know how to drain a pool, where to get a hose filter, how to vacuum a pool, how to know if I even can vacuum my pool.

  3. Avataaar/Circle Created with python_avatars Janell Jensen says:

    My pool water is clear but water test strip hardness is high.

  4. Avataaar/Circle Created with python_avatars R S says:

    If I use granular chlorine on a regular will it raise my calcium too much?

  5. Avataaar/Circle Created with python_avatars Marco Deluca says:

    But how the heck can you determine the level of hardness?? This is most important part.

  6. Avataaar/Circle Created with python_avatars peter 1 says:

    Ok sir I added 3 shocks at once due to a green pool and after 12 hours it’s still green please help?

  7. Avataaar/Circle Created with python_avatars Reality isnt A choice says:

    My pool currently had a cloud only in the deep end .as baking soda was added bringing up the alk/ph
    The cloud lightened so I can see the bottom but the cloud isn't gone.

  8. Avataaar/Circle Created with python_avatars Reality isnt A choice says:

    Would baking soda or something also clear the cloud raising the ph Are you in Orleans ?

  9. Avataaar/Circle Created with python_avatars Annie Favreau says:

    Hi there, cool video but… just cause I'm having issue dissolving the enormous quantity of calcium I have to add to the pool, does anyone know what is the chimical composition of the stuff?? And moreover… How much trouble am I in if I can't have it high enought??? I had to add 28Kg of the stuff and after 20Kg I can't see the bottum of the pool, I have to backwash every 3-4 hours and all of that with the trouble of dissolving it into 6-8 bucket of hot water…
    What a pain in the ….

  10. Avataaar/Circle Created with python_avatars Matt McCauley says:

    Not trying to be a jerk but in your video concerning Intex vinyl pools you make the claim that is not important to worry about calcium hardness levels for those type of pools Are you in Nepean ?

  11. Avataaar/Circle Created with python_avatars Søren Hartmann says:

    Really good video. What do you do if you already have hard scale deposit along the edge of the floor and on the steps in a glassfiber pool? Thanks

  12. Avataaar/Circle Created with python_avatars Eilbron Eisavi says:

    My pool hardness is 800. Can you drain 25% out and refill it with soft water that,was softened by water softener?
    Or should i refill with regular water from the hose?

  13. Avataaar/Circle Created with python_avatars Sterling R. Morris says:

    What are your thoughts on using a hose filter + dilution over hiring a company to bring a truck out and doing reverse osmosis? Service area Barrhaven??

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

    can you make video about TSS relationship with Turbinity ?

  15. Avataaar/Circle Created with python_avatars Gavin Wu says:

    I used test strips, all chemicals level are normal, but total harness are usually indicating high or very high. Not sure what is the reason, any recommendations? Thanks

  16. Avataaar/Circle Created with python_avatars U. L. says:

    I've read that low calcium in a vinyl liner pool isn't an issue. What are your thoughts on this?

  17. Avataaar/Circle Created with python_avatars djcashwell says:

    topic suggestion: best way to clean/maintain glass tile. i have calcium buildup on my tile, not sure of best way to remove without damaging the tile

  18. Avataaar/Circle Created with python_avatars B C says:

    This video is on time. I had hardness levels this week.

  19. Avataaar/Circle Created with python_avatars C H Fishbn says:

    A good trick to avoid over paying at the pool store for hardness increaser which costs about 50-60$ for a 5 gallon bucket you can use ice melt (just make sure it's pure calcium chloride) it's available at any major hardware store you might have to order it online for pickup on home depot or Lowe's it costs about 20$ for a 50 pound bag and is the EXACT same thing as the hardness increaser!!!
    You will thank me later

  20. Avataaar/Circle Created with python_avatars Michael Laniak says:

    Well put together video. What tools/software do you use to put these together (animations, etc)?

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