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Old 04-16-2022, 08:02 AM   #1
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Black spots between silicone and glass?

As the title says...I'm assuming these are gaps between the glass and the silicone? The black stuff is not on the outer part of the silicone.
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Old 04-16-2022, 11:20 PM   #2
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Yes, looks like the gaps are getting close to the seam. The blackish is algae I have a couple spots in one of my aquariums which have a little way to go yet, but resealing will need to happen eventually.
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