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I know the scrubbers work in fw, but they don't seem to grow turf algae, just filamentous green algae. In any case, I've been thinking some more on this concept and want to try two versions. One...

:oops: I forgot to mention that this will be for a freshwater tank, as I don't keep any saltwater (yet). As far as I know there is no equivalent to turf algae in the freshwater aquarium, so it...

I had an idea for a low-profile above-tank horizontal scrubber that would be incorporated into a custom canopy and allow a set of lamps to serve double duty as scrubber lights and display lights.
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Thanks, KCress. I am rerouting some of the existing pumps on the tank for the scrubber, so there shouldn't be a heat increase there, but I am a bit worried about the lighting heat. I may rewire the...

Thanks, Santa Monica. The T5's will be placed lower than I depicted, I was just drawing sloppily.

Ha! All right, all right, I'll tell! I wouldn't want to upset the fiends.

My idea is to have a scrubber-in-a-box, much like Santa Monica's design, with the twist of an access door in the end...

Will do. I am using some normal output T5s and circline T9 fixtures (I'm trying to keep the profile slim). I've also thought of a little design twist that is either very clever or very stupid. ...

Have any of you tried them, and what sort of results did you have? These lamps are more readily available for the size fixtures I am using than grow lamps.

Very interesting project, SantaMonica. It looks like this system would have many applications, for larval and microphagous fish, molluscs, and crustaceans as well as corals. I look forward to more...

That setup looks great! I keep turtles too and know how quickly they can foul water, so being able to keep that sort of clarity in a fairly heavily-stocked outdoor tank is incredible. I can see...

Thank you again, SantaMonica. It will be a few weeks before I can begin construction, but once I do I will post pictures and progress reports.

When you move up, you want more lumens, which is more or less determined by the wattage: more watts=more light=faster algae growth=better scrubbing. The "K" number is color temperature; it should...

Thanks for the feedback, guys! You've been most helpful. A quick question on reflectivity: I am using acrylic I already have, none of which is mirrored, so what is the best way to make the acrylic...

I have decided to build an off-tank scrubber, similar to but larger than the one SantaMonica posted here: viewtopic.php?f=3&t=35. Here's my preliminary design:
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Thanks again, SantaMonica. I'm going to go ahead with this project and will post progress as I can.

The scrubbers would only be above the false back, not above the display area, so no light would be blocked. Maybe this is a little more clear:...

Thanks again, Santa Monica. I'll have to think on this a bit; I would rather avoid high-wattage lights if possible. I'll try to figure out how to add an off-tank scrubber without drilling the tank....

Thanks SantaMonica! I should clarify: the filtration area does contain media (both mat media and bioballs), it is just that the current setup only lets water flow through the submersed portion of...

Sorry, that's 240 in.² of scrubber space. Must have had a neuron misfire.

Hi all!

I am a newbie to algae filtration, so I hope you will pardon my ignorance. I'm interested in setting up an algae scrubber as a phosphate remover for a 300 gallon freshwater display tank...