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Why Did Your Pool Turn Green?

It is common for swimming pools turning green, and you may be asking “Why did my pool turn green?” Preferably, swimming pools are intended to be unclouded and should be at any time being ready for a dip. However, as we all know, non-flowing water accumulates bacteria and algae, in which over time can change the color of your pool.



Having a pool turn green could be so stressful. Not only that it takes time and effort, but it’s also quite costly. The degree of endeavor you put into maintaining your pools crystal clear depends on how long you have permitted the bacteria and algae to prosper.

There are a lot of things to be considered in determining why did your pool turn green. So if this happened, you might want to check the below factors.

why did your pool turn green

What are the causes why your pool turned green?

1. UNCLEANED FILTERS

Filter systems play a vital role in preserving the cleanliness of your pool. It should always be clear of molds otherwise it wouldn’t properly do its function. It will become a nurturing ground for molds, algae, fungus, and other bacteria that will in due course change the color of your pool. Therefore, monitor, scrub and clean your filter from time to time to eliminate possible causes of turning your pool green.

2. INADEQUATE AMOUNT OF CHLORINE

Lack of chlorine in the pool is generally the commencing time of any pool to turn green. Being known to almost, chlorine is the main chemical to disinfect pool from germs and contaminant. So, if you lose sight of your chlorine level, the more combative the algae becomes.

3. IMBALANCE PH LEVEL

Proper PH level of the pool is around 7.2 to 7.8. Once the PH level of your water is not in the right place, it will authorize bacteria to proliferate, instigating discoloration. If PH level, on the other hand, is too low, it will not support in exterminating bacteria. The chlorine will no longer work effectively too.

4. CLIMATE

  •  SUNNY
    Algae flourish in warm temperatures. Apart from that, the effect of the chlorine tends to become less effective. As per science, the more bacteria proliferate, the more chlorine is quickly consumed. To prevent such issue, frequent monitoring should be done. You have to make sure the temperature does not exceed 90 degrees.
  • WINDY
    Though this may sound ridiculous, believe it or not, bacteria are airborne. Your neighborhood’s dirt could get into your pool; the chemical used by your other neighbor can move around through air and could possibly get mixed into your pool. No matter how clean your backyards become, bacteria are just unpreventable.
  • RAINY
    Just so you don’t know, rainwater is acidic. When the rain pours and goes directly to your pool, it will naturally lower your pools PH level. If this goes below the base, chlorine will disburse swiftly, thus algae grow rapidly.

Final Thoughts: Why Did Your Pool Turn Green?

So it is necessary to monitor your pool to avoid algae expansion. If you want to maintain your pool’s cleanliness, regular maintenance should be considered. This means, regular scrubbing, skimming, cleaning the filter and maintaining chemical balance. For the best outcome, use a robotic pool cleaner to effortlessly help you retain your pool’s cleanliness and check the water daily when you have time and remedy potential issues from becoming a problem.

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