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Thread: Various upflow growth pictures

  1. #41
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    This SURF4 was floated in the display of a reef (so no sump was needed).

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    Their video is here:

    https://www.youtube.com/watch?v=fc8Z5QaGdsg

  2. #42
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    Here is a bunch of Cladophora algae (it grows in both fresh and saltwater) in a customer's HOG2 or 3 or 3x or 3xx Since you can't see if strings are under the growth, you can't tell what model scrubber it is...

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  3. #43
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    Customer's HOG3 or 3x or 3xx in saltwater, with very light colored growth. Just like vegetables, darker growth means more iron is in the growth, and other nutrients too; so you can add iron to the water (with supplement drops) or feed more seaweed like nori or algae pellets to the fish, which will also eventually get more iron into the water, and make darker growth:

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  4. #44
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    Slime!!

    Well, this is good. Dark slime has the most nutrients concentrated in it, taken out of the water. Just clean it often (with a brush, in your sink) before it lets go...


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  5. #45
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    Customer's HOG3 or 3x or 3xx in a well-seasoned saltwater tank. Air tubing at the bottom should be kept brushed clean.

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    Last edited by SantaMonica; 3 Weeks Ago at 06:15 PM.

  6. #46
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    Here's a customer's HOG1 or 1x in saltwater, although it's also fine with freshwater; the growth should eventually spread to the sides:

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    888-CORAL-REEF

  7. #47
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    The smallest upflow algae scrubber® in the world: Here is a customer's DROP.2 in saltwater, which can also be used in tiny freshwater tanks. Note how the strong LED light makes a growth ring in the middle.

    Customer also added screen to the door (on the right).

    Battery is not used, and is just to see how small the scrubber is.

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  8. #48
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    Here is what most people want: Packed, fluffy green growth not only on the Green Grabber® strings but also on the Green Grabber® rocks, as shown here on this customers SURF4 or 4x.

    However, this green growth is not always needed. Dark/black slime is great at absorbing nutrients out of the water when the nutrients are very high. And, light brown growth is good when nutrients are not too high.

    But it's ok to have your salad and eat it too

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  9. #49
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    This customer's SURF2 or 2x is in saltwater, and is one of those rare times when pure Cladophora ("angel hair") growth occurs. Even this one example, however, will probably have different growth in a month or two, especially if feeding increases (more nutrients) or if rocks are moved around (kills periphyton on rocks, which makes more nutrients).

    Cladophora is great for fish-feed, and salads.

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  10. #50
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    Here is a common growth pattern, shown in a customer's SURF2 or 2x in saltwater. Some green hair is on the Green Grabber® strings, and some dark/black slime is on the Green Grabber rocks. Although there are some differences between the materials of the rocks and the strings, the main reason for the difference in growth is probably the proximity to the lights: More light is in the middle, and more light usually grows lighter/green color growth unless the nutrients in the water are too low:

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