12G long - HC, shrimp, fish, CO2, DIY LED - The Planted Tank Forum
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post #1 of 5 (permalink) Old 01-28-2012, 03:03 PM Thread Starter
Algae Grower
Join Date: Apr 2011
Location: Green Bay, WI
Posts: 18
12G long - HC, shrimp, fish, CO2, DIY LED

I've been lurking on here for a while and really liked finding pics of the Mr. Aqua 12 gallon tank, so I thought I'd add mine to the mix.

Tank: Mr Aqua 12G Long
CO2: Paintbottle with GreenLeaf Atomic regulator
Co2 reactor: Griggs style DIY
Solenoid: Clippard Mouse
Heater: Hydor inline
Filter: Eheim 2217
Substrate: ADA Aquasoil
Ferts: EI, dry mixed with water in pump bottles
Cover: DIY Glass cover

HC grown immersed
Repens 049

40ish Red Cherry Shrimp (from Epicfish)
12 Harlequin Rasboras

Startup issues have settled down and the tank is looking pretty good. During the first month, I had diatom algae (brown cottony type all over the bottom), some kind of white spiderweb type of algae, and a week or so of green water. But these are all gone now...yea!

I currently have a bit of staghorn algae that I am dealing with. Mostly just physically removing what I can. Slowly upping the CO2, reducing the photo period and making sure I keep up with ferts.

My shrimp seem to be doing ery well. They don't really eat much of the algae wafers that I put in occasionally, but I think there is plenty of algae on the rocks that they seem to love.

The DIY LED light is working nicely. It is 8 3W Cree with solderless connectors, Carlco optics, and an aluminum I-beam that I used. The I-beam works well...it shields the light from view as well as hides the driver in the top.

Day 1

After 8 Weeks

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post #2 of 5 (permalink) Old 01-28-2012, 03:39 PM
Algae Grower
Join Date: Jun 2011
Location: TX
Posts: 76
I love that light! And i love these tanks. I'm so tempted!!

Nice job
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post #3 of 5 (permalink) Old 01-28-2012, 03:44 PM
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Join Date: Dec 2011
Location: Ga.
Posts: 327
Your tank looks great... Sweet and simple
Looks alot bigger than 12g and I'm a big fan of HC heavy planted tanks...

The Fraternity of Dirt #70
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post #4 of 5 (permalink) Old 01-28-2012, 06:00 PM
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Join Date: Aug 2011
Location: State of Emergency
Posts: 1,279
Nice, I like that light a lot!
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post #5 of 5 (permalink) Old 01-29-2012, 02:14 PM Thread Starter
Algae Grower
Join Date: Apr 2011
Location: Green Bay, WI
Posts: 18
I had a few questions on what I used for the LED fixture, so I thought I'd include that here.

I got the parts from www.reefledlights.com. They have a pretty good DIY materials on their website. I was also considering www.rapidled.com, but they did not have a solderless option at the time, but they do now, so I would consider them as well.

The JBJ solderless connectors worked pretty nicely...they were very easy to install. You just have to drill 2 holes in the heat sink.

Here are the parts I ordered from them...

8 Cree XP-G R5 LEDs
8 JBJ Solderless LED Connector with two #4 Self Tapping Machine Screws
8 BJB Optics Holder
8 Carclo Optics
1 LPC-35-700 48V 700mA Constant Current Driver
1 Arctic Silver The... 3.5 gram syringe

I already had some wire that I used and I got the aluminum I-Beam off of [Ebay Link Removed]

The amount of light for the 12G Long tank seems to be pretty good. I don't have any basis for comparison though. The other aquariums I've had in the past were quite a while ago and were T12 flourescent. Everything seems to be growing pretty well. I lost the Downoi that I tried, but I added that pretty early in my cycle, so that may have been the issue.

8 lights seems to be about right for this tank. There is no spotlighting at all.

I was debating about getting the dimmable vs the constant current driver and decided with the constant current. I think that is fine...I probably would have run it at full power even with a dimmer. I can raise/lower the fixture to increase or decrease the intensity.
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