SantaMonica
08-02-2022, 07:49 PM
This is about as good of an example of dark green slime that you can get. This HOG3 or 3x or 3xx is pull out of a saltwater sump, with probably very high nutrients, which is what causes dark green slime. More http://algaescrubber.net/forums/showthread.php?3740-Slime-is-the-best-filter
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