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Thread: Various upflow growth pictures

  1. #201
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    This looks like a HOG1 from high nutrient saltwater. After a few weekly brushings, the dark growth should start turning lighter, and the growth ring should fill in...

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  2. #202
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    This is a freshly baked algae casserole. I mean, it's actually the saltwater growth of a HOG3x or 3xx

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  3. #203
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    This HOG.5 scrubber® is a bit small for filtering this freshwater tank, but plenty big enough to grow fresh food for it.

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  4. #204
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    Small but mighty HOG1x scrubber growth in saltwater.

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  5. #205
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    SURF4x packed and ready to harvest. Looks like two of the four bubble pathways have filled in.

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  6. #206
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    First week's growth in a DROP.6 scrubber®. Sometimes it is black slime (high nutrients), and sometimes it is yellowish (low nutrients), but this one is probably from medium nutrients.

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  7. #207
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    Green Worms! Actually, this SURF2 or 2x scrubber® is just showing an ultra rare type of growth which "fluffs up" on the Green Grabber® strings. It's not better; just different. And it needs to be cleaned off of the strings using your fingers, in your sink, because you generally don't want to use a brush on the strings (although you can still brush the white rocky walls).

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  8. #208
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    This looks like a DROP1.2 from saltwater. The growth is mostly Cladophora species in this case, and it is sticking to the door a little bit even though there are no Green Grabber® rocky surfaces there. This growth is easily pulled out with your fingers, and fed to your fish. In freshwater you would not get this; you would instead get a bright green slime that would need brushing in your sink (but could still be fed to the fish).

    Note the white spot in the lower right area; it is kept free of growth because the high brightness of the 660nm deep red light is more than enough to cause photo-inhibition on it's surface, meaning the growth is "burned off" of the LED, which keeps the light bright.

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