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Thread: SURF4x

  1. #1
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    SURF4x

    This is a low-power mode of the SURF4x. It is a pattern of 6 of the 12 LEDs, connected to one of the power cords. The other 6 LEDs are connected to the other power cord, and when both are plugged in you have full power. Low-power lighting (combined with shading from the included black shade cloth) is usually needed on new installations because the bright red light is reflected off of the white Green Grabber® rocks and strings, making the light even brighter; too bright for algae to grow. Once growth occurs, however, you need the bright light to travel through the growth to keep it alive and growing.

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    And here are the printed instructions if you want to read more:
    https://algaescrubber.net/SURF-Instructions.pdf

  2. #2
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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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  3. #3
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    This SURF4 or 4x has the water drained out

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  4. #4
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    This is why you need waterproof submersible lights for a scrubber in sump water. Yes this is a light, and not a screen.

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  5. #5
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    This is a rare photo of cyano filling up a scrubber. This SURF4 or 4x has contained a lot of the floating red cyano, without letting it escape out the drain holes on the bottom. This cyano will be removed/cleaned/harvested with the regular cleaning of the scrubber. You don't see this amount of red cyano on a waterfall scrubber screen because it would let go and wash away.

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  6. #6
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    Packed SURF4 or 4x showing what looks mostly like Cladophora species, and maybe a little Ulva Fasciata. It is growing on the light too, which needs to be scraped off with a plastic card (like a credit card) to get the most illumination into this growth.

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