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Thread: Various upflow growth pictures

  1. #111
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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.

    Also note that the filter does not have to be completely underwater; the top part can be above the waterline. This is also the way to block salt spray.

    Click image for larger version

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  2. #112
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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.

    Screens, like on waterfalls, have a very hard time holding on to slime (especially black slime) so you rarely see any. They just have no growth. But rocky textures, like our Green Grabber® growth surface, holds on to slime very well, so you see it a lot.


    Click image for larger version

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    Last edited by SantaMonica; 4 Weeks Ago at 12:28 PM.

  3. #113
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    Customer's HOG3 or 3x or 3xx in a well-seasoned saltwater tank. Growth like this is not common on new tanks with new rocks, which normally get more of a light brown slime to do the filtering.

    Air tubing at the bottom should be kept brushed clean.

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  4. #114
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    Here's a customer's HOG1 or 1x in saltwater, although it's also fine with freshwater because is does not have strings. The growth should eventually spread to the sides after a few more cleanings.

    This amount growth is about average for saltwater. New tanks will usually be much less, and more of a brownish slime; older tanks can get thick sometimes, and fill up the compartment (but not always).

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  5. #115
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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.

    Click image for larger version

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