Crystal clear water green tint

May 29, 2016
2
Niles
Every year I deal with this. Open pool crystal clear put hose in to fill with well water turn on filter pool turns a nice green-Agua tint but water is crystal clear. Added metal and stain remover. Been 3 days water is still green.
 
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Have you used any copper based algecides? Do you use well water to fill the pool?
 
If you still have the container from the algaecide check the active ingredients. It should say whether or not there is copper in it. I would have a sample of your well water tested for iron. They can run this test at the pool store. If it is positive you will need to add and maintain sequestrant to prevent the iron from oxidizing and turning the water funky colors and staining the pool.
 
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