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Thread: Various upflow growth pictures

  1. #11
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    HOG scrubbers fit into some tight spaces:

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  2. #12
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    An example of how strong illumination can "burn" through algal growth:

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  3. #13
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    A rare all-bright-green filled SURF4 or 4X. Usually there is a mix of colors of growth.

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  4. #14
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    This is a little more common; a mix of light and dark on a SURF4 or 4x. Note the dark growth is around the edges where there is less light. If the walls were not bright-white rocks like they are, there would be much more dark growth around the edges and the growth would let go quicker. Dark slime growth does not hold on well, even though it contains lots of nutrients from the water:

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