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Thread: Various upflow growth pictures

  1. #151
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    This overly-stuffed DROP1.2 or 1.2x needed a good cleaning/brushing a while ago. Not only does the growth block water and bubble flow (which is why the growth is bright yellow, because it can't get iron and nutrients), but it can block the circulation holes in the case so outside water can't get in. So a good brushing (including the door, on the left) in a kitchen sink will fix it. Take that growth, and fertilize your garden with it.

    Note also, the top of the yellow which makes a line across the top of the case. This is the waterline on the inside; if the top air hole gets blocked by growth, this waterline will drop lower and lower as the inside fills with air (because the air can't get out).

    Click image for larger version

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  2. #152
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    This is the top side of a customer's HOG1.3 scrubber (the inside wet part) in saltwater. You can tell it's a HOG1.3 because the Green Grabber® white rocky surfaces don't go up the sides; they are on the back wall only.

    The reason some of the Green Grabber white rocky surface are still white is because the top was kept partially out of the water about 1 inch, which keeps the bubbles and salt spray inside the case; you can see the air hole at the top. If used for freshwater, the salt spray is not a concern but the bubbles still are, and they are kept inside as well.

    The growth itself looks like dark slime, but it's actually just very thick green hair mixed with chaeto that is matted down because it's taken out of the water for a photo. It's ready for a brushing in the kitchen sink!

    Click image for larger version

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