the Stuff that I had siphoned off was detaching from the glass and sand in one giant sheet, so if that had launched in to the water I'm sure I would have seen it, it was a continuous sheet about 10 inches long and 6 inches wide. The remnants that were left on the glass were just tiny patches, and they were right under a vortech, so one moment it was there, then the next time I looked they weren't
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