Why is my pool water dark blue?

Dark pool water may be caused by high levels of manganese in the fill water. This can cause discoloration of the water to a dark blue, purple or black clear color. This can stain the surfaces of the pool with black or purple marks, which can be very unsightly.
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How do you get blue pool water clear?

7 Ways to Clear Cloudy Pool Water
  1. Balance free chlorine (FC) levels.
  2. Eliminate ammonia.
  3. Get rid of young algae.
  4. Monitor and balance pH and TA levels.
  5. Correct calcium hardness (CH) levels.
  6. Backwash filter or replace filtering agent.
  7. Remove foreign particles and mineral deposits, scrub, and vacuum up the pool.
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Why is my pool water really blue?

Water Turns Light Blue

“You notice the blue effect when you have a large volume of water because of the way molecules are slightly absorbing light from the red end of the spectrum,” Coxon says. The deeper the water, the more blue it appears. He also points out that the same thing happens under artificial light.
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Why is my pool blue but not clear?

Poor filtration

If your filter performance is compromised, your pool is going to be not only cloudy but also dirty as the water becomes stagnant. 90% of cloudy pools can be linked to poor filtration due to a clogged filter, a dying pump or simply due to not running it for long enough.
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How long does it take for Super blue to clear pool?

Tips: Super Blue will provide the best results when used on a weekly basis and circulated for at least 8 hours. For extremely cloudy conditions and when opening your pool, use 2 oz. per 5,000 gallons for extra clarifying power.
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Cloudy pool water fix



Can you swim after using super blue?

Super Blue works to prevent future hazy appearance, will not clog filters and reduces sanitizer demand by removing dirt particles. Swim immediately after use.
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What happens if you put too much shock in a pool?

Although, if you overdo the shock treatment, you risk getting green hair from chlorine due to the excess chlorine oxidizing the copper in the water. You can execute a shock treatment with a few different types of pool shock, just be mindful of how much you're using.
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How can I make my pool water clear naturally?

Baking soda, also known as sodium bicarbonate is naturally alkaline, with a pH of 8. When you add baking soda to your pool water, you will raise both the pH and the alkalinity, improving stability and clarity.
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How do you know if your pool has too much chlorine?

If the chlorine smell is very strong, however, you may soon spot “red-eyed” swimmers emerging from the pool. That's when the pool water is assumed to have “too much chlorine” in it. Ironically, a strong chemical smell around the pool and “swimmer red eye” may be signs that there is not enough chlorine in the water.
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How long does it take for pool to clear after shock?

A pool filter should be run for a minimum of 6 hours after shocking a swimming pool. This is to allow the filter to clean the water and give the shock enough time to fully mix with the pool water. Running the filter after shocking for 24 hours to 7 days is necessary if the pool has a large amount of algae.
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Does chlorine make pool blue?

Of course, chlorine also keeps the water clear, which lets the light do it's job and make it look blue.
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Why does water in a white pool look blue?

We'll explain it in simple summarized terms: Water absorbs light's long wavelengths (red, orange, yellow) more easily than its short ones (blue, violet). The short wavelengths of light that aren't absorbed (blue) are reflected off the surface, and thus our eyes perceive them. Hence water's beautiful blue hues.
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What color should my pool water be?

There are two primary water colors for your swimming pool, blue and green, and the shades of blue or green are determined by numerous factors. The main determiner for water color is the background dye in the finish. If you want green water, the finish should be green, brown or tan.
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Does too much chlorine make pool cloudy?

Excessive levels of pool chemicals can cause your water to become cloudy. High pH, high alkalinity, high chlorine or other sanitisers, and high calcium hardness are all common culprits.
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Can you swim in a cloudy pool after shocking?

Wait until the chlorine level in the water drops down to 1-4 parts per million (ppm) before allowing swimmers back into the pool. If the water still looks a little cloudy after the shock treatment, you may want to use a water clarifier before allowing swimmers back into the pool.
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Will baking soda clear up cloudy pool?

Baking soda can work wonders in a pool. Baking soda can: Help to clear cloudy water and restore the sparkle. Spot-treat algae.
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Can I swim in my pool if the chlorine is high?

Pools will naturally gas-off chlorine from the surface, and very high levels can irritate airways and lungs. This is especially true for indoor pools. At chlorine levels over 10 ppm, swimsuits can begin to fade. Pool covers become damaged, and the water is generally uncomfortable and unsafe for swimmers.
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How long should chlorine last in pool?

Most floating chlorinators can hold anywhere from two to eight weeks worth of chlorine, depending on conditions such as the season and your pool's size. An automatic feeder works in a similar way, allowing it to mix with the pool water slowly and deliberately.
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What do I do if my pool is cloudy and blue?

To treat cloudy water due to poor filtration:
  1. Check your filter for worn or broken parts. ...
  2. Run the pump for at least 8 hours a day. ...
  3. Backwash the filter until a clear stream of water flows.
  4. Chemically clean your filter media with a filter cleaner.
  5. Empty any debris in the skimmer basket that may clog water flow.
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How do you keep pool water crystal clear?

How to Keep Your Swimming Pool Crystal Clear
  1. Check pH Levels. Most pool owners know that they need to add chlorine to their swimming pool to keep your pool looking as clean as possible. ...
  2. Check Water Levels. Having the right amount of water is just as important as having the right pH of your water. ...
  3. Clean Debris Promptly.
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How do I make my pool crystal clear?

Skim the pool at least 3 times a week. Brush the walls at least twice a week (or before you vacuum) Vacuum at least twice a week.
...
Skim, brush, and vacuum weekly
  1. Enjoy a consistently clean pool.
  2. Spend less on chemicals.
  3. Reduce your pool cleaning time more and more each week.
  4. Keep your swimming pool crystal clear.
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Is pool shock the same as chlorine?

Shock is chlorine, in a high dose, meant to shock your pool and raise the chlorine level quickly. Chlorine tabs (placed in a chlorinator, floater, or skimmer basket) maintain a chlorine residual in the water. You do need to use both tabs and shock.
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Can I swim in a shocked pool?

And how long do you have to wait before you can swim? You should wait one hour per pound of shock product added, and then test the water to confirm the pH and chlorine are in the proper range before letting anyone enter the pool.
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Can I shock pool 2 days in a row?

Shocking your pool for two days in a row is a valid and recommended strategy to kill and get rid of algae. In fact, the reason why algae comes back quickly is that the chlorine levels were not high enough for long enough to kill it off properly.
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