no excessive microbubbles coming from the skimmer
"Otherwise it's likely just micro-bubbles getting stuck to the irregular surface the algae creates on the glass"
i believe that is the most probable scenario..
the algae is a bunch of thin long hairs, one end sticking to the glass.
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- 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO
-45GAL Build in Progress!-
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