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| General Reef Discussion In this forum we discuss issues related to keeping marine and reef aquariums in a friendly flame-free environment. |
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11-16-2005, 10:47 PM
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#1
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Shark
Join Date: Mar 2005
Location: Shawnee, KS
Posts: 1,629
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DIY venturi skimmer
Hey all, I built a DIY skimmer out of 2 4" T's according to some plans Geoff hooked me up with. I was going to run it with an extra mag 7 I have, and I was going to make a DIY venturi valve. My question is should I put the venturi valve before the inlet of the pump or after the outlet? some pictures I have seen show them on the inlet of the pump. won't the air in the pump burn up the motor? Please help.
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29 gallon, 150 watt DE PFO mini pedant, 2 x 24 watt HO t-5, 2 x tunze 6025's, mag 7 run thru SCWD 40lbs rock
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11-16-2005, 10:52 PM
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#2
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The Ninja MOD
 
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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No it shouldnt. The impellor will help chop up the bubbles into micro bubbles. My old Euroreef had the air enter before the pump as did the previous skimmer I had
Robert |
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11-16-2005, 11:11 PM
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#3
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Shark
Join Date: Mar 2005
Location: Shawnee, KS
Posts: 1,629
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sounds fine, I just thought I would check
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29 gallon, 150 watt DE PFO mini pedant, 2 x 24 watt HO t-5, 2 x tunze 6025's, mag 7 run thru SCWD 40lbs rock
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11-16-2005, 11:13 PM
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#4
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The Ninja MOD
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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What kind of pump? There are a few pumps that you can get needle wheel impellors for. They realy help make soem nice bubbles!
Robert |
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11-16-2005, 11:17 PM
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#5
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Little Fishy
Join Date: Jul 2004
Location: naples, fl
Posts: 389
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just built a DIY venturi skimmer and have the DIY venturi(whayrat's design) on the inlet of the pump(mag 9.5) so far so good.... this is what it pulled last night
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11-17-2005, 03:27 AM
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#6
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Reefless Reefer
Join Date: Jun 2002
Location: Durham, NC
Posts: 20,559
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using wharyat's venturi design is fine on the inlet. it is a very open venturi valve. i would strongly suggest not putting a true venturi valve before a pump though. these require a large pressure gradient and would quickly starve the pump if put before it.
G~
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Friends Don't Let Friends Use Refugiums!
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"J" crowd member.
My Build Thread
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11-17-2005, 08:13 AM
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#7
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Shark
Join Date: Mar 2005
Location: Shawnee, KS
Posts: 1,629
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I am using a mag 7. I was going to do the wharyat venturi
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29 gallon, 150 watt DE PFO mini pedant, 2 x 24 watt HO t-5, 2 x tunze 6025's, mag 7 run thru SCWD 40lbs rock
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11-17-2005, 07:24 PM
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#8
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Rockin-Roll Mod
Join Date: Sep 2005
Location: Coal Valley Illinois
Posts: 5,428
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Quote:
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Originally Posted by funi42
just built a DIY venturi skimmer and have the DIY venturi(whayrat's design) on the inlet of the pump(mag 9.5) so far so good.... this is what it pulled last night
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That looks really light in color, My super skimmer makes a lot less but it's all most black very, very, dark so in the long run, i my self is thinkn its working more effectively, the lighter color seem's to be just wet skimming just like my seaclone that i thru in the garbage,
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11-17-2005, 07:29 PM
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#9
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Milkshake Man
Join Date: Jan 2005
Location: Tampa, Florida
Posts: 9,643
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Quote:
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Originally Posted by Jasontkd
I am using a mag 7. I was going to do the wharyat venturi
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I am runnin a mag 7 with Wharyats venturi design also.
Tim
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11-17-2005, 09:06 PM
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#10
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photomod
Join Date: Nov 2004
Location: Montana
Posts: 5,894
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Wet skimming is good. 
Agreed with geoff; a true conical (practically a laval nozzle with a hole) venturi would give some major problems before a pump, those should always be run after. |
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11-17-2005, 09:19 PM
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#11
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Ooo Girl!
Join Date: Jan 2003
Location: Temple Ga
Posts: 336
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can I get a set of those plans for the skimmer?
Mine went out so I need to get anew or in this case make one.
__________________
125 75 ref
2 250 watt 10K MH
2 VHO actinics
Past is History....Future is Mystery.
Don't hate me because I'm stupidiful.
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11-18-2005, 04:34 AM
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#12
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Reefless Reefer
Join Date: Jun 2002
Location: Durham, NC
Posts: 20,559
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Quote:
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Originally Posted by ScoobityDoobity
Mine went out so I need to get anew or in this case make one.
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i have two versions out there. the one on the website here is prolly the more efficient version. it is harder to make though. here is a thread that contains the instructions for the easy skimmer. i really need to get this up on the site.
G~
__________________
Think Tanker
Friends Don't Let Friends Use Refugiums!
Reef Knowledge Impaired
"J" crowd member.
My Build Thread
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11-18-2005, 10:46 AM
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#13
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Ooo Girl!
Join Date: Jan 2003
Location: Temple Ga
Posts: 336
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Oh thanks it seems like something I can do. Just as long as the alcohol stays in the fridge. I'll be good!!
__________________
125 75 ref
2 250 watt 10K MH
2 VHO actinics
Past is History....Future is Mystery.
Don't hate me because I'm stupidiful.
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