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Thread: SURF4

  1. #31
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    Multiple scrubber styles for different areas of larger sumps. This also lets you decide what style you like better.


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  2. #32
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    This SURF4 or 4x (cannot tell without counting the number of LEDs) is overgrown and sticking to the light.


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  3. #33
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    This is why you need waterproof submersible lights for a scrubber in sump water. Yes this is a SURF light, and not a screen.

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  4. #34
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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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  5. #35
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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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  6. #36
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    Looking inside a SURF4 to check the bubbling and growth

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  7. #37
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    This SURF4 or 4x scrubber (tm), or one half of a SURF8 or 8x scrubber, shows worms and tar!
    http://algaescrubber.net/forums/show...he-best-filter

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  8. #38
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    This brand new SURF4 scrubber® has its LED lid removed, and is floating in a large saltwater sump. It takes very little space; it stays above the live rock below it, and below the top of the sump, which can be easily closed if needed to reduce evaporation. Also, the water level in the sump can vary greatly, with no effect on the Surf.

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  9. #39
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    This SURF4 or 4x in a saltwater sump shows clearly the four air bubble pathways that the bubbles make from the bottom of the Surf, through the growth, and up to the light at the top (light is removed for photo). These bubble pathways let light and water pentetrate deep into the growth, thus letting the growth get thicker before dying.

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  10. #40
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    This is not pink dice. It's the low-power mode (using just one power cable) of a SURF4 scrubber®. When new, the white rocky Green Grabber® growth surfaces and strings reflect too much light for algae to start growing, so low-power mode reduces the light.

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