One more place to look for algae.

Flying Tivo

Well-known member
Jan 24, 2017
1,889
Monterrey, NL, Mexico
Just when you think you looked everywhere, BAM, the weir door foam. Never imagined i had to look there. Never had dull water just FC loss of 4-5ppm with cool weather and low UV index. Started cleaning the skimmer for a complete brushing and found this. I would recommend finding a higher density foam, even an EPO which has less cavities where algae can hide.
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  • Wow
Reactions: Mdragger88