Question:

After adding YELLOW OUT® and chlorine, my pool changed from cloudy green to milky blue. What do I do?


Answer:

You have a filtration problem. Most likely you have a sand filter. The algae that were present before you added the chemicals have been killed; however, because of their size, they passed through your filter without being trapped. We recommend that you add a filter aid that coats the top of the sand and traps this residue. Cartridge filters sometimes require a water clarifier to increase the effectiveness of the filter. Normally, this particulate will be trapped by the DE filter.

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