YEAY, machine failure at work. Awesome.
When I came this morning I measured free chlorine to be 0,50. Mkey since it's supposed to be around 0,9 I didn't like it. I calibrated the chlorine machine so it would work it's way up to 0,9 where it's supposed to be. I left it like that and went to clean the shower rooms ...was gone maybe an hour. Decided
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