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Hi, I am planning a 20 gallon all-in-one build which is going to be designed to use an algae scrubber and purigen/carbon/ect... as its primary filtration systems. It is intended to be a mixed reef...

Well, unless your livestock is dying, all the N and P added to the water ultimately comes from what you feed. The N and P spends time locked up in detritus before ultimately entering the water as...

A typical vanity mirror is 70-80% reflective at most, and the light has to pass through any surface film or algae on the mirror twice to get to the screen. So maybe by the time the light gets to the...

I like your idea, but you have to ask yourself at what point do you go from a double sided scrubber to a pair of single sided scrubbers?

A protein skimmer Venturi typically sucks air then puts it through the needle wheel to get tiny bubbles. A Venturi like the ones that goes on a powerhead outlet produces much larger bubbles.

Large complex molecules like proteins, ect... will tend to be attracted to the surface, but inorganic chemicals are not attracted to the air-water interface... which is why skimmers can't remove...

I agree, you never see microbubbles in those systems.

I think the new design is really good, what about using a venturi system on a powerhead to deliver the air instead? A venturi (like on...

Nice scrubber! However, I would get an acrylic splash shield for that thing - you can already see marks where a little water has splashed on your reflectors. In addition, you should try and prevent...

Hi,

In my tank, the sump is right next to the DT. There is only 2 inches of difference in water levels between the tanks so running a scrubber directly from the overflow is not possible. So I am...

I think you need better reflectors - look for clip on shop lights at a hardware store. Other than that I think you did a nice job with the available space. However, SantaMonica is going to be...

Kalk + vinegar will not add any Mg, but will help reduce losses of Mg which can occur when you add Kalk to a system that already has a high KH and GH - the vinegar lowers the pH of the Kalk,...

Is Mylar reef safe? The reflectors inside the glass would be exposed to tank water (not submersed just spray)

Can you recommend a material for the inner reflectors? Obviously they must be reef safe. The outer reflectors will be polished aluminium. I guess I could get really fancy and make laminated...

I had another idea, inspired by the way a CCFL backlit LCD screen works (loosely). Some kind of small light diffuser might be necessary to stop algae burning right next to the bulb, and I realize...

What are the practical limitations on narrow, tall scrubbers? Why can't I build a scrubber 24" tall and 2" wide if I want to? I realize that nobody actually does this but has anyone explored the...

http://www.radio-media.com/fish/NanoBuiltIn.jpg

I want to set up a 20 h (24x12x16) with an algae scrubber. No skimmer and due to location will not have a sump or really even much room for...

I would use a 1:1 ratio of 6500-10000K and actinic lighting. It's what we use at work (LFS) and it makes fish look really good. We like 65K because it makes the oranges in clownfish look better,...

Well, my screen would be 3 inches wide with a flow of at least 50 gph/in - it it worth trying with 1xt5ho 39w over the screen? Even with very narrow parabolic reflectors I can't fit more than 1...

Do you think that if I use a t5ho inside a parabolic reflector I can get away with using a single 39w tube for 40 gallons? Or even a t8 with a parabolic reflector (32 watts) Based on information...

Rumpy Pumpy, I like your design. The only problem is that I was hoping to use a pump I already have for this scrubber - the biggest I have is a MJ1200, which will not provide enough flow to support...

I am in the process of setting up a 40 gallon breeder. The tank will be a lightly stocked soft coral tank with 2 or 4 t5ho over the display. As far as fish, I am thinking of 2x sebae clown or 2x...