So I am pretty good about balancing the water, but have been slacking a little on the weekly testing. I have had these white deposits around my tile showing up more and more. What is this? Is this due to CSI?
Thank you! Looks about right....even looks like my blue tile. Is water chemistry leading to this? Should I wait until it's wide spread as the cost to remove may be similar to a smaller scale removal project?
It could also be efflorescence. Use the search box up above to find out more than you ever wanted to know about it. There's a bunch of threads and some have pictures.
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