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jfinch
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Topic: DIY Beckett Skimmer Posted: December 04 2003 at 9:54pm |
Here's a few pictures of the skimmer I built. It uses a beckett foam head for airation.
Some specs: Overall: 11" x 8" x 32" 6" dia x 13" long main column 3" dia x 15" injection tube that is channeled through a false floor and into a 3" dia x 10" long riser tube within the 6 inch main column.
I'm using a Little Giant 4 to power it (which is for sale, btw). Most of the design was ripped off from the skimmers on this page: http://www.barraquatic.com
Overall picture, with yard stick for reference:

Close up of the Beckett head:

The skimmer in operation:

Complaints: My sump isn't big enough. Actually it's ok, it just needs a little modifying. But it's still tight. I may have to build a little cabinet to house it in and move it outside the tank. I'll post more as it ages...
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Marcus
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Posted: December 04 2003 at 9:57pm |
Jon, you are a very skilled craftsman.
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rstruhs
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Posted: December 04 2003 at 10:04pm |
No kidding! That looks great Jon!
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Flaz
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Posted: December 05 2003 at 7:04am |
Jon, You'll be very happy with a Beckett based skimmer. I've found that the more water you can jam through them the better they work (If I had the money I'd use a second Iwaki MD-55RLT just for my skimmer) . Also, the Beckett will need cleaned from time to time to keep the foam level up. Mine likes to clog with the tiny snails that make their way to the sump. Enjoy!
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jfinch
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Posted: December 05 2003 at 8:33am |
Thanks for the comments guys. I like the bubble size from the Beckett (compared to a downdraft skimmer).
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Spuma
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Posted: December 05 2003 at 9:01am |
Impressive Jon!!! The skimmer looks awsome!
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Aquarium Creations
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Posted: December 06 2003 at 5:23am |
Hey Jon looks great i have a question the air intake to the beckett is it loud?
and did you make a line for a ozone?
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Aquarium Maintenance,Consulting,Custom Built Glass Aquariums Rimless/Euro,24Hr Emergency Service 8015485201 Www.UtahAquariumDoctors.com [email protected]
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jfinch
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Posted: December 06 2003 at 9:34am |
It's not too loud, less then the Mazzei venturi I had before. I didn't put in a dedicated ozone line, but couldn't I just tee into the beckett air suction line if I wanted to? I've never used ozone...
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Aquarium Creations
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Posted: December 07 2003 at 2:19pm |
cool ...
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Aquarium Maintenance,Consulting,Custom Built Glass Aquariums Rimless/Euro,24Hr Emergency Service 8015485201 Www.UtahAquariumDoctors.com [email protected]
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Ryan Willden
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Posted: December 07 2003 at 7:26pm |
That's fantastic Jon. I've done a few DIY projects like that myself, but none of them have ever turned out that professional looking.
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jfinch
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Posted: December 07 2003 at 8:19pm |
Thank Ryan. I had planned to cut the flanges with keyholes and use thumbscrews rather then wingnuts, but kind of ran out of time. That would have looked very good. Oh, well next time.
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Carl
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Posted: December 08 2003 at 7:47am |
Jon, Why would you want to use ozone? Just to give you an idea, The US Environmental Protection Agency (EPA) still classifies ozone as a toxic gas, and the US Occupational Safety and Health Administration (OSHA) requires that workers not be exposed to average concentrations of more than 0.1 parts per million over an eight-hour period.
To see what the EPA has written on ozone, http://www.epa.gov/owm/mtb/ozon.pdf . Check out some of the disadvantages. In case you couldn't tell, I hate ozone.
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"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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jfinch
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Posted: December 08 2003 at 9:35am |
I don't use it, it was just a response to Firefish's question.
Many do use ozone. The benefits include better skimming performance from your skimmer (if injected directly into the skimmer air stream). Ozone can also be used to increase the ORP of the tank but making hypochloride and hypobromide species (bleach). Some of these benefits can also be had by using a UV sterilizer. The drawbacks are just what you posted... plus if not used properly, can lead to rotting fins on fish and even death.
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SSpargur
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Posted: December 08 2003 at 10:18am |
Jon - another fine piece of work there. You sure do have a knack for DIY projects.
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Sean Spargur
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jfinch
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Posted: December 18 2003 at 7:36pm |
Just thought I'd update, here's a current picture:

It's working great so far (curing live rock only in tank). As you can see, I moved it out of the sump, leaving more room in the sump for water (I'll build a cabinet for it to reside in). I couldn't hear the air sucking when it was in the sump, but now out in the wide open, there is a definate air sucking sound, similar to the Mazzei I had before. It does suck a lot of air. I have the air valve only about 1/2 open to lessen the turbulance in the main column. Another thing learned. I'll never again make flanges from 1/4" material... it flexes too much and is harder to seal. I'll use 3/8" next time. All in all, I think it's the best skimmer I've made.
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Marcus
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Posted: December 18 2003 at 8:29pm |
Jon, how does your wife feel about it sitting out there? Can you smell it throughout your basement?
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jfinch
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Posted: December 18 2003 at 8:46pm |
She doesn't like it sitting out (neither do I), which is why I'll house it inside a cabinet. Smell isn't too bad yet. I dump it a couple times a day before it really starts to stink bad. If it gets too bad I'll vent the air through charcoal.
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Marcus
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Posted: December 18 2003 at 8:48pm |
Jon, what is the difference between carbon and charcoal?
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jfinch
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Posted: December 18 2003 at 8:59pm |
Good point!
In my usage above I meant activated carbon. I missused the term .
Charcoal is coal or wood that's been burned in a low oxygen environment, but hasn't been "activated". It'll adsorb organics like activated carbon, but at much much less capacity due to it's low surface area. If you take charcoal or coal and then heat it up to around 1000°F in the presence of steam it becomes activated carbon. You don't see charcoal around much anymore... if it's black it's probably activated carbon.
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Marcus
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Posted: December 18 2003 at 9:16pm |
Thanks for clearing that up for me.
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