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Old 02/14/2006, 07:52 PM   #1
smjtkj
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DIY air stone skimmer club!

I thought I would jump on the bandwagon and start a DIY air skimmer club. For energy effeciency and performance, I LOVE this
concept. Here is my 6 foot DIY air skimmer. It is powered by an ALITA AL-40 right now with 6 three inch air stones. The main chamber is made out of 10.5 inch acrylic. This bad boy pulls out some serious junk. And since it is fed from the overflow it is only using 40 watts of electricity!
Mike





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Old 02/14/2006, 08:52 PM   #2
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That rocks man. I modified my ETSS Reef Devil (POS) to a single limewood airstone. This thing totally kicks now. What did that beast run ya? I'm loving that cone flange.


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Old 02/14/2006, 09:44 PM   #3
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Thanks USCG, I want to say that the whole project ran about 350-400, that's including the 220.00 for the air pump. The cone flange came from spazz. The rest of it I peiced together from different areas. The 2 pieces if 10.5 inch tubing came from ebay-
70.00 shipped! The 3/8 acrylic for the flanges I made were drop pieces from a local glass shop-6.00. It took me about 2 to 3 months to put everything together.
If you get a chance let's see some pics of the reef devil mod!
Mike


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Old 02/14/2006, 10:00 PM   #4
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ok well here is my two air powered skimmers. the first was made with pvc and did ok but design problems really made it not work well, bubbles rose toooo fast. the second skimmer i got from a friend and hooked up my air pump and stones that was running my first skimmer. much better skimmer IMO. the air pump is a 65lpm linear piston and two 9" fine pore diffusers from Aquatic Eco Sytem.

well here are the pics

the second skimmer is 12" dia 30" tall body with 12" dia X 8" tall collection cup with 12hrs worth of skimamte on my 180. the first skimmer is about 6'6" tall and didnt work very well at anything but wet skimmate





greatthread btw, hope it becomes a good hit here

Tim


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Old 02/14/2006, 10:29 PM   #5
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Cool Zapata,
I think the first skimmer probably needed more air to perform. The skimmer your friend gave you looks like it is doing great! What kind of skimmer is that. It looks kind of like it has one of spazz's cones on it. Is the brick to keep it from blowing the top off? Thanks for the post.
Mike


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Old 02/15/2006, 09:40 AM   #6
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Wow! Those are some killer DIY skimmers!


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Old 02/15/2006, 10:21 AM   #7
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I think you have a winner here.

Can you show me more pictures of how you connected the air pump and the airstones?


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Old 02/15/2006, 12:21 PM   #8
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Thanks Causeofhim!

Technomax, I have a 3/4 pvc going into the side of the skimmer
about 10 inches off the bottom and built a manifold for the 6 stones. I will get some good pics of the set up for you tonite!
Mike


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Old 02/15/2006, 03:07 PM   #9
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Thanks.


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Old 02/15/2006, 06:00 PM   #10
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Here you go!





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Old 02/15/2006, 06:04 PM   #11
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Old 02/15/2006, 06:07 PM   #12
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What kind of stones and air pump are you using? Also, how did you make the flanges?


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Old 02/15/2006, 06:15 PM   #13
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The pump is an Alita-40, stones are Aquatic Eco fine 3 inch stones.
I used a circle lig on a router table. Basically I just put a metal
pin in the wood table at the right distance from the bit and made circles. I then taped the two together and drilled holes thru both at the same time. That is basically it!


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Old 02/15/2006, 06:29 PM   #14
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Im sorry, i meant how did you make the top flange that funnels into the neck?


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Old 02/15/2006, 06:37 PM   #15
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That was made by Spazz. It cost me 110.00 but it is nice to have the cone and twist lock.
Mike


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Old 02/15/2006, 07:03 PM   #16
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well my first skimmers big problem was that as the diameter changed, the bubble rise rate increase, so by the time the bubles got to the neck they were merging with other bubbles and popping, not a good thing for skimmers. the new skimmer that i have is all diy with the black acrylic work from spazz. it really works awesome, almost have a full collection cup and it has only been running for 3 days now.

Tim


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Old 02/15/2006, 07:09 PM   #17
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I thought I recognized that cone flange! He does do a great job.
Mike


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Old 02/15/2006, 07:13 PM   #18
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$110? What did you get for $110?


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Old 02/15/2006, 07:28 PM   #19
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The flange with cone riser and a cool twist lock that makes cleaning a breeze.
Mike


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Old 02/15/2006, 07:39 PM   #20
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yes spazz does great work. the brock is to lessen the noise from the loud air pump, the lid vibrates quite bad. need to look into a quiter pump

Tim


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Old 02/15/2006, 07:43 PM   #21
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Zapata, you ought to check out the Alita pumps. They are just about completely silent.
Mike


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Old 02/15/2006, 07:50 PM   #22
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expensive too, but then again i dont go into my fish room often because of the noise. will look into it though.

TIm


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Old 02/16/2006, 06:24 AM   #23
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HOLY BEGEEZES. That is a massive air pump. And to think I'm running my airstone off of a $12 pump from PetsMart.


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Old 02/16/2006, 06:38 AM   #24
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HA! HA! Yeah and I am putting a larger one on the skimmer next week. The stones are still not being pushed! The AL-40 pushes 1.8 CFM at 2.1 PSI and I should have 2.8 CFM @ 2 PSI. I have an AL-60 on the way. Can you say shaving cream?
Mike


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Old 02/16/2006, 08:10 AM   #25
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now dont you get big bubbles from those diffusers. i am running to 9" versions of the fine pore diffusers and get larger bubbles than i got from my nw but i make more of them. just trying to figure out if i am puting the right amount of air into the stones

Tim


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