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SantaMonica

Photos of upflow scrubbers

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SantaMonica

Here is a HOG2 scrubber® that looks like it came out of saltwater, although it could be freshwater because this slime growth looks the same. The upper section was out of the water, and you can see where the growth has grown around some bubbles. The upper growth may not look as nice as the green, but it can filter just as much as long as you brush it out often (such as every 5 days). It also demonstrates the different type of growth in a higher-light and lower-nutrient condition that occurs above the water line.

This type of slime growth is hard to grow on a waterfall screen because it lets go and flows away, but since the Green Grabber® rocky white textures are such a large rough area compared to a screen (no wasted open holes), and also because the rocks are natural silica rock material that algae attaches to at the beach, the slime can stay attached much longer. More slime info: http://algaescrubber.net/forums/showthread.php?3740-Slime-is-the-best-filter
 

 

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SantaMonica

This customer's HOG2 or 2x is in freshwater and shows some very fine Cladophora growth which looks like green slime:

 

 

 

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SantaMonica

Customer's HOG scrubber® taken out of a saltwater sump. This one would be a HOG3 or 3x or 3xx because the wet side is the same; the difference is in the lights, which you can't see here.

 

Some HOG scrubbers grow mostly on the strings, and some grow mostly on the Green Grabber® white rocky textures (dark slime does this), but this one is growing on both.

 

 

 

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SantaMonica

Customer's SURF4 or 4x scrubber® floating in a new sump...

 

 

 

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SantaMonica

HOG2 or 2x scrubber® full of dark or black slime. Slime usually fills in first, and the slime grabs the bulk of the nutrients in the water while the grabbing is easy. But brush that slime out often, because it does not hold on well and will let go and flow away.

 

 

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SantaMonica

This customer's HOG2 or 2x scrubber® in a freshwater tank was growing very thick on the Green Grabber® white rocky surfaces (left photo), then the growth started growing on the glass where the red light shines through (right photo). So when the HOG is removed from the glass, the fish and snails can eat live algae from the glass, and if you keep the HOG tray in the water too, then the growth in it can also be eaten.

 

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SantaMonica

Customer's DROP.6x in the back of a nano sump compartment, showing how the red light is blocked. The light looks pink here but is really deep red.

 

 

 

 

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SantaMonica

Customer's HOG scrubber® which could be a HOG2, 2x, 3, 3x or 3xx, but you can't tell without knowing if there are strings inside, and without knowing how many LED's are in the light. But the growth is definitely in saltwater, and it looks like it is all Cladophora species. The pathway down the middle is probably where bubbles found a way to travel through, and, the space at the top is the waterline inside the unit (a small air pocket). This amount of growth is between 2 and 3 cubes of feeding per day.

 

 

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SantaMonica

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SantaMonica

Customer's hand-harvesting of a DROP1.4 scrubber after it has been growing a while. You can't always hand-harvest, but it's neat when you can. And of course, some of the growth could be fed right back to the tank.

 

 

 

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