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Thread: Various upflow growth pictures

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

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    Last edited by SantaMonica; 11-18-2017 at 07:04 PM.

  2. #12
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    An example of how strong illumination can "penetrate" through algal growth in this customer's scrubber, which looks like a DROP1.2 or 1.2x. This penetration keeps the LED lights from getting covered, and allows the light to penetrate deeper into the growth.

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    Last edited by SantaMonica; 05-27-2018 at 06:59 PM.

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

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    Last edited by SantaMonica; 11-18-2017 at 07:05 PM.

  4. #14
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    This is a little more common; a mix of light and dark on a customer's 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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    Last edited by SantaMonica; 11-18-2017 at 07:05 PM.

  5. #15
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    If growth gets up to the light, as on this customer's SURF4x, the growth might starting growing on the light itself which reduces illumination. So more frequent cleaning of the light would be needed (with a piece of plastic, etc)

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    Last edited by SantaMonica; 11-18-2017 at 07:05 PM.

  6. #16
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    Dark thick growth like this customer's SURF2 or 2x is loaded with removed nutrients from the water, but must be harvested more often because it detaches easily. Stronger lights would have grown a lighter color:

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    Last edited by SantaMonica; 05-28-2018 at 04:10 PM.

  7. #17
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    Growth in a customer's tiny DROP.2 which is the smallest scrubber in the world:

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    Last edited by SantaMonica; 05-28-2018 at 04:12 PM.

  8. #18
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    Dark slime growth like this customer's HOG2 scrubber is loaded with nutrients absorbed from the water. Just be sure to brush it clean more often, in your sink with running water, because it blocks light from reaching the "roots" and thus will let go and wash away more easily.

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    Last edited by SantaMonica; 05-28-2018 at 04:15 PM.

  9. #19
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    This is more common: a mix of different types and colors and growth, as in this customer's SURF2 or 2x

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    Last edited by SantaMonica; 11-18-2017 at 07:07 PM.

  10. #20
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    This is another rare all-green customer's SURF4 or 4x

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    Last edited by SantaMonica; 11-18-2017 at 07:07 PM.

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