How To Balance Calcium Hardness In The Pool

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Calcium Hardness In The Pool
Calcium Hardness In The Pool

Calcium Hardness In The 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 hardness levels in your pool.

Check it out.

First, what is calcium hardness?

And you’ve probably heard the term hard water before.

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 hardness 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 hardness 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, calcium hardness levels 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 202 and 275 parts per million.

Now, what if your calcium hardness levels are too high?

Well, if the calcium hardness levels in your pool get too high, the water will be hard and the first sign is usually a cloudy pool.

Normally, you can clear a cloudy pool with a shock or water clarifier.

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 the full surface.

So here’s how to lower calcium hardness in your pool.

Calcium Hardness In The Pool

Number one, ask 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 the cool water and replace it with fresh filtered water.

This is also called dilution.

Number two, use pool flocculent you can try using pool floc 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 filters waste.

Now be sure that your filter has a way setting before using poll floc.

Just note, calcium that’s already dissolved in the water will not be affected by flocculant.

It only affects calcium solids that haven’t been dissolved in the solution.

Number three, try muriatic acid, it’s draining and fluff don’t worry, you can add muriatic acid as a last result.

Now it won’t actually reduce your water’s calcium hardness levels, but it will help bring your full water back into balance.

Real quick before we continue.

If you’re looking for an easy-follow tutorial that will answer all your pool questions.

Okay, what if your calcium hardness levels are too low?

Well, low calcium levels mean your water is soft and that can corrode parts of your pool.

Soft water can dissolve concrete and plaster and corrode any metal parts that emerged 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 increase, you’ll need to know your pools of volume, so be sure to check out our
full volume calculator articles.

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 with adding calcium to the wall.

Finally, how do you maintain the right calcium hardness levels?

One, you wanna balance the water.

keeping a close eye on your full chemistry will help you prevent problems related to calcium hardness, 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, which 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 addresses 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 right range for your pool.

Take action.

This will save you from dealing with serious calcium buildup and pool down.

If there’s a pool care topic you’d like us to cover in a future article, please leave a comment.


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