With oxidized metals in your pool especially copper your pool water may turn green but it will not be cloudy.
Green swimming pool water dangerous.
If the water looks green but is clear you may have a problem with metal content in your pool.
You can drain all the water but unless it s too green and borderline black there is no need to drain all the water.
When you shocked the water and it stayed green you oxidized the metals in the water.
It s the balance of things like chlorine ph and alkalinity in a pool that keeps it sterilized.
If even after knowing why your pool water turned green your swimming pool has become an abode for algae and bacteria time to clean it.
If the water is green that could mean something is out of wack.
It doesn t take much for algae to enter your pool.
Just to summarize my experience.
These microbes can enter the body through the nose eyes ears mouth or a tiny cut.
This could also be the case with light green pool water.
This makes swimming in green water in nature safe.
This superfood is attractive to bacteria and parasites.
Answered march 13 2015 the green color is caused by the presence of micro algae very few of which are toxic.
The color green in your pool means you have one enemy.
To keep a swimming pool clean simply invest in an automatic pool cleaner.
Is it safe to swim in a green water pool.
Green pool water is caused by a bad chemical balance usually something other than just low chlorine.
Lakes contain a full ecosystem complete with aquatic life that feeds on bacteria and toxins.
Algae is a simple plant one that thrives in water that offers them food and a hospitable welcoming environment.
Algae can become airborne or ride into your pool on debris a swimsuit or pool toy.
In this situation it is less safe to swim in green pool water the darker the.
Oxidized metals may be the culprit of your green pool water.
Bacteria are a whole different question but your risks still about the same as the natural lake or pond.
The reason your pool is still green is most likely because of metals in the water.
A bad filter is the most common cause of cloudy pool water.
Short answer it depends.
What you need to do is add some ascorbic acid to the water.