This HOG2 or 2x on the sump wall of a freshwater tank shows the red light and bubbles that you can expect. To remove bubbles, raise the HOG a little bit above the water line.
This HOG2 or 2x on the sump wall of a freshwater tank shows the red light and bubbles that you can expect. To remove bubbles, raise the HOG a little bit above the water line.
This HOG2 or 2x in freshwater has been set down in the display to feed the fish overnight. More feeding info here.. http://algaescrubber.net/forums/show...h-to-your-fish
Since HOG® scrubbers attach to both sides of the glass, there is some red light glow along the glass.
This HOG3® (and other HOG models) can go on the glass of the display if you don't have a sump.
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