Please Clarify Concept of Refugium-Skimmer... - Aquarium Forum
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post #1 of 11 (permalink) Old 01-25-2015, 12:33 PM Thread Starter
 
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Please Clarify Concept of Refugium-Skimmer...

It could be that I'm just an idiot and I'm not absorbing the information in front of me, but I don't see why I could not do this...

I have a CPR Bak-pak skimmer for my 29g tank and am wondering if I can make it into a fuge-skimmer combo. Scheme I've come up with:

1. Paint the side of the skimmer body that faces the tank opaque-black to prevent light getting into the main tank.
2. Place an appropriate light shining from the back of the skimmer toward the tank.
3. Add crushed coral substrate to the return chamber of skimmer.
4. Seed the substrate to start my macro-algae cultivation.
5. Live happily ever after.

I've been doing some researching around about the hows and whys of skimmer and refugium function and don't see why I could not get this to work by making them into one unit. Looking at the (costly) refugium-skimmer combos, they look just like a widened protein skimmer.

Thoughts? You can tell me if I'm just an "egg-no-ra-moose". I'm sure if you saw my last post, you'd recognize I still have not solved the problem of space for the fuge I bought...

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post #2 of 11 (permalink) Old 01-25-2015, 01:07 PM
 
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Re: Please Clarify Concept of Refugium-Skimmer...

It's a good idea so long as you can protect your skimmer from excessive algae growth inside, ie., protect it from light coming into water column. Also most paints may not survive for long (peeling) if your skimmer is a immersion-type. Some kind of light sleeve made from cut-out PE drain pipe may be an uglier alternative.

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post #3 of 11 (permalink) Old 01-25-2015, 01:27 PM
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Re: Please Clarify Concept of Refugium-Skimmer...

You can't add substrate to the skimmer, it will end up choking out the water flow through the return section, and you won't have the correct flow anymore, it would end up overflowing the cup. You'd have to just throw in chaeto and let it free float in that chamber. Then you'd end up with how to cut some out once it starts to overtake that chamber, theres no way to get at it to do so.
Painting the outside wouldn't be a problem either, using Kryon Fusion Black, it bonds with acrylic.

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post #4 of 11 (permalink) Old 01-25-2015, 06:03 PM Thread Starter
 
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Re: Please Clarify Concept of Refugium-Skimmer...

Poop... I hadn't thought of the issue of choking the flow... Back to the drawing board... Thank you guys for humoring my questions!

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post #5 of 11 (permalink) Old 01-25-2015, 09:01 PM
 
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Re: Please Clarify Concept of Refugium-Skimmer...

See I I did to prevent choking:


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post #6 of 11 (permalink) Old 01-26-2015, 10:34 AM
 
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Re: Please Clarify Concept of Refugium-Skimmer...

Quote:
Originally Posted by Reefing Madness View Post
You can't add substrate to the skimmer, it will end up choking out the water flow through the return section, and you won't have the correct flow anymore, it would end up overflowing the cup. You'd have to just throw in chaeto and let it free float in that chamber. Then you'd end up with how to cut some out once it starts to overtake that chamber, theres no way to get at it to do so.
Painting the outside wouldn't be a problem either, using Kryon Fusion Black, it bonds with acrylic.
The problem is is it an acrrylic and which acrylic. Yes Krylon is good for this if it's correct PMMA. I see at least 4 different skimmers out there, made of PMMA, PC, PET, and ABS. If your is PC or PET then your Krylon may not work for long. Krylon on ABS will last a few years.

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post #7 of 11 (permalink) Old 01-26-2015, 11:39 AM
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Re: Please Clarify Concept of Refugium-Skimmer...

Your link for skimmer didn't go through.
Did you mean this skimmer?
CPR Bak-Pak Protein Skimmer
If so you may be able to replace the "bio bale" with cheato?



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post #8 of 11 (permalink) Old 01-31-2015, 10:06 AM
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Re: Please Clarify Concept of Refugium-Skimmer...

Quote:
Originally Posted by treliantf View Post
See I I did to prevent choking:
You do realize that a BakPak Skimmer has the pump on the outside of the skimmer, and we are not talking about chaeto getting into that pump, but rather it choking out the flow through the chambers in the BakPak itself, thus making the skimmer a none working skimmer, the flow would be all messed up, then you'd have to figure out how to clip the chaeto once it grew to much for the chambers to handle, or whats called nutrient export.

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post #9 of 11 (permalink) Old 01-31-2015, 11:52 AM
 
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Re: Please Clarify Concept of Refugium-Skimmer...

Now I know we had been talking different things. I am not familiar with Bak-Pak but by the name cyclone it means water column is moving inside with a cyclone motion. An efficient cyclone can and must be generated by a tangential inlet inside a circular tube to reach 200-600rpm. I did not see the circular tube in the manual and just wondering how many rpm the cyclone would reach in a rectangular tube by this design.

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post #10 of 11 (permalink) Old 04-08-2015, 09:47 PM Thread Starter
 
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Re: Please Clarify Concept of Refugium-Skimmer...

Quote:
Originally Posted by coralbandit View Post
Your link for skimmer didn't go through.
Did you mean this skimmer?
CPR Bak-Pak Protein Skimmer
If so you may be able to replace the "bio bale" with cheato?
Yes that's the one; sorry about the laggy response. My ship was underway...

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post #11 of 11 (permalink) Old 04-08-2015, 09:52 PM Thread Starter
 
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Re: Please Clarify Concept of Refugium-Skimmer...

Thank you guys for all your thoughts; I really appreciate it because it helps me better understand the function of the equipment. What I'm going to end up doing is moving the whole tank and rearranging all the equipment so I can mount the 'fuge on the back and support the weight with a shelf on the wall cut to fit and putting the skimmer on the side of the tank. Not attractive on the outside, but it's the inside that counts =]

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