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  #26  
Old 03/10/2004, 01:49 PM
Gololf Gololf is offline
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Thumbs up Great pics topjimmy !!

Between the pics (even the not so clear ones) and the discription...I am able to make out the process and think I'll try one out myself. I have soooo many glass and plastic bottles lying around from my toy shop...LOL

What minimum size pump would be needed to drive the venturi do ya think....or would it depend on the size of the piping you use?

Great thread!

FL Bob
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  #27  
Old 03/10/2004, 01:55 PM
Gololf Gololf is offline
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Just a thought.....

Did you put a small air bleed hole in the top of the collection cup?

FL Bob
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  #28  
Old 03/10/2004, 02:49 PM
topjimmy topjimmy is offline
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Quote:
Did you put a small air bleed hole in the top of the collection cup?


Yes I actually put it on the top at first but then some gunk was escaping out of it (it was right above the riser). Now I put another on the side near the top.

If you want a detailed drawing I will work on it. The Mag 5 I am using might actually be to strong flow wise. I would think a MJ800 or 1200 would work too. I am thinking I might drill a few holes in the impeller like the one German skimmer I read a review on. It seems to give the effect of a needle wheel without the imbalance and unreliability.

Later
JimC.
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  #29  
Old 03/10/2004, 03:02 PM
clsund clsund is offline
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If you used the MaxiJet as you suggested, which already comes with the venturi attachment, I'm guessing you probably wouldn't need to do the tee, am I right?
  #30  
Old 03/10/2004, 04:32 PM
topjimmy topjimmy is offline
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Quote:
If you used the MaxiJet as you suggested, which already comes with the venturi attachment, I'm guessing you probably wouldn't need to do the tee, am I right?


You would need to rig it so that the venturi was on the intake. If you search RC you will find at least one article on how to do that.

You could also take a look at the DIY Deltec thread in this forum and incorporate that MJ setup.

Later
JimC.
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  #31  
Old 03/22/2004, 02:04 PM
kellypark kellypark is offline
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Great thread!!
I have been reading it many time, It is so easy..
I am currently working on simmalar one for my self. but I am using glass jug that I have at home, which fit with 4" dia, adapter.
also, I am going to use "uniseal" (grommet) to insert pipe to jug.
How about using gate valve instead of pipe to adjust water level?
  #32  
Old 03/22/2004, 02:21 PM
uroplatuslvr uroplatuslvr is offline
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i like that idea a lot and will be making one of my own today..

since i am new here i have a question..in a lot of these threads i see people just typing "bump" and "tagging along"--do these posts mean anything? it seems kind of a pointless post

thanks
  #33  
Old 03/22/2004, 05:11 PM
topjimmy topjimmy is offline
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Kellypark,
You could prob use a gate valve, I tried one and it restricted the flow to much and would cause the skimmer to overflow.

uroplatuslve...man that's a hard name to type...anyway a bump response just gives the post a little new life at the top of the lists, a tag post is a way people subsribe to a thread..though there is a subscribe button you can use instead.

Just an update. It's been in my sump for almost 2 weeks now and I love the way it works. Pulls out a ton of nasty stuff .

Later
JimC.
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  #34  
Old 03/22/2004, 05:32 PM
kellypark kellypark is offline
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Thanks, Topjimmy.
I always wanted to know what bump and tag was for...
Now I know.
I will post pic. when I done. I am waiting for uniseal from Aquatic ecosystem (about $2 for 1/2" & 3/4").
  #35  
Old 03/23/2004, 08:09 PM
Red_Roadster Red_Roadster is offline
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What is a "uniseal"?

Also, would this setup work for a 125g? I have a beckett sprayer that I am thinking about hooking up to a setup like this.

And finally, would a taller center riser make this unit any more efficient? I can see from the pics how you might use six inches of 4inch pvc to increase the total capacity of the unit, but not sure if that would do anything for it.

Red
  #36  
Old 03/23/2004, 08:38 PM
topjimmy topjimmy is offline
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A think adding a little 4" pvc to give it more capacity is a great idea . I might just do that myself though I like the way its working already. As for the uniseal, that is a rubber type fitting that I've seen some skimmers use instead of a flange. I would like to see some pics of other peoples copies of this and maybe some working ones as well. I should take some pics of mine..but my dig camera is a little pathetic.

Later
JimC.
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  #37  
Old 03/23/2004, 10:11 PM
Red_Roadster Red_Roadster is offline
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what did you use instead of bulkheads on the sides of the lower canister?

Red
  #38  
Old 03/24/2004, 08:00 AM
topjimmy topjimmy is offline
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For bulkheads I just used a 1/2" threaded male pvc on the inside, made the hole tight so that it screwed in(from inside out) and then screwed on a female threaded 1/2" fitting. Its not watertight that way but a little silicon around the fittings would prob make it so. I didn't care if those leaked a little because it sits in my sump. The outlet is almost the same except I used 3/4" and instead of a straight female fitting on the outside I used a threaded 90.
Later
JimC.
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  #39  
Old 03/24/2004, 10:58 AM
kellypark kellypark is offline
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Hello.
I found out about uniseal from reefcentral. Some have already used on their skimmer and suppose to work well.
I got them frm Aquatic ecosystem,
Here is pic.
Attached Images
File Type: jpg uniseal.jpg (8.2 KB, 1397 views)
  #40  
Old 03/24/2004, 11:04 AM
wharfrat48 wharfrat48 is offline
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Looks great. Just setting up a 75 and this looks like a good way to save some $$$. Couple of newbie questions- What does the smushing of the venturi tee accomplish? How big of a footprint and what water level would be best?

Thanks

Rich
  #41  
Old 03/24/2004, 12:38 PM
Tunjee Tunjee is offline
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I like it when a plan comes together great idea topjimmy! Any microbubble problems from the output?
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  #42  
Old 03/24/2004, 01:12 PM
Shoestring Reefer Shoestring Reefer is offline
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Quote:
Originally posted by wharfrat48
What does the smushing of the venturi tee accomplish?
It turns the tee into a venturi. The water must move very quickly through the "smooshed" part, and that causes the pressure to drop (just like the air over an air plane wing) and that low pressure sucks air into the venture (just like a venturi sucks gas in a carburator). I hope that made sense.
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  #43  
Old 03/24/2004, 10:05 PM
Devil Man Devil Man is offline
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Thanks topjimmy for the design. i went today and bought the stuff and have put togther the protien skimmer and im waiting for it to dry up to use it. hope it works as good as yours
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  #44  
Old 03/25/2004, 12:02 PM
topjimmy topjimmy is offline
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Quote:
Originally posted by Tunjee
I like it when a plan comes together great idea topjimmy! Any microbubble problems from the output?
I am starting to get some micro bubbles now that it's really breaking in. Gonna have to look for a solution to that. I've read in some Euro-Reef threads about a micron bag tied on the output seems to help.

Later
JimC.
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  #45  
Old 03/25/2004, 12:17 PM
Tunjee Tunjee is offline
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A gate valve on the output works well too, it gives you precise control of the water level in the skimmer and is cheap too.
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  #46  
Old 03/25/2004, 03:27 PM
Devil Man Devil Man is offline
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whats a gate valve look like???
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  #47  
Old 03/29/2004, 02:23 PM
topjimmy topjimmy is offline
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A gate valve looks like the one you have on the side of your house for a hose.

Later
JimC
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  #48  
Old 03/29/2004, 07:52 PM
qwuintus qwuintus is offline
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Wont the top container spill when you unscrew it to dump all the gook out?
  #49  
Old 03/29/2004, 10:45 PM
topjimmy topjimmy is offline
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Quote:
Originally posted by qwuintus
Wont the top container spill when you unscrew it to dump all the gook out?
Yup, that is why you don't unscrew it. You seperate it and the 4" piece it is attached to. It is 'slip' fitted, to the bottom half. You then can transport it to the nearest sink and dump it. One thing though it stinks pretty bad so don't go dumping it in the kitchen sink...

Later
JimC.
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  #50  
Old 03/30/2004, 11:23 AM
Red_Roadster Red_Roadster is offline
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Why not just plumb a drain off the side? I just did that to mine using the same design.

My skimmer is a beckett design, and I'm now wondering if there is any reason why the euro is a better way to go than the beckett? Your thoughts?

Red
 

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