I have had my SWG dialed in and maintaining 5 ppm chlorine for a while, prob 7-10 days straight. This morning when I checked it it was 3 ppm. I had to get going because I had an appointment so I added 16 ounces of 10% Chlorine to bump it to 4 ppm and left. I came home just now, and tested the water and it was at 4 ppm. I went to clean my skimmer baskets and noticed there was a bat that was in one of them, probably for 24 hours or so. He was intact but pretty washed up. My question is, would one little bat be enough to make it drop 2 ppm? Reason I'm wondering is I don't want to mess too much with the settings on my SWG if it was indeed enough to make that much difference. Hate to see the little guy gone as they are mosquito eating friends.
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