DIY Eheim 1260 brush impeller

My question is getting a cheaper pump like a GenX and supercharging it with an air pump just as good as using a pump that draws a bunch of air? Seems like it may be a better value?

So why did I just buy an Aquabee 2000-1 to the tune of $170?
 
<a href=showthread.php?s=&postid=7766251#post7766251 target=_blank>Originally posted</a> by Horace
My question is getting a cheaper pump like a GenX and supercharging it with an air pump just as good as using a pump that draws a bunch of air? Seems like it may be a better value?

So why did I just buy an Aquabee 2000-1 to the tune of $170?
Click to expand...

Because it's got a proven track record. :) I'm sure you will be perfectly happy with that setup.

The one thing about the Gen-X pump (I believe it is a SP4 or ER modded Gen-X 4100)... the site on ER (beta testing) shows the meter pulling at about 15lpm... however, the meter is also at quite an angle and thus will not give you a dependable value as they are supposed to be mounted completely vertical. There are so many numbers out there... that I just don't know what to believe. All I know is that the original Sedras on the old ERs were about as weak as could be... :) I know for a fact that the NWs are completely different b/w the ER 4100 and the one sold to the public at large.

Anyone have pics of the generic 4100 NW? I'd be much appreciative.

Peace,
John H.
 
Rufio, I hope your right. Im sure I will be happy with it....I just hope its enough better than my GenX2400 that it makes it worth the price tag. If my skimmer turns out to be as good as the H&S or Deltec with the same pump/chamber size I will be thrilled. I only have a 75g SPS tank and those skimmers are rated above 225g. I think it should do the job just fine :P
 
rufio, the picture from the ER site is a hobbiests tank. I've seen enough of them to know that they ARE pulling that much. Everybody fawns all over the Eheims, and they havent changed in a couple years. Maybe the GenX are pulling more air.

Horace, as to the Air pump question, I'd starting to agree. Anyone know of any airpumps that have lpm or scfh ratings?
 
<a href=showthread.php?s=&postid=7766802#post7766802 target=_blank>Originally posted</a> by RichConley
rufio, the picture from the ER site is a hobbiests tank. I've seen enough of them to know that they ARE pulling that much. Everybody fawns all over the Eheims, and they havent changed in a couple years. Maybe the GenX are pulling more air.

Horace, as to the Air pump question, I'd starting to agree. Anyone know of any airpumps that have lpm or scfh ratings?
Click to expand...

The problem is you have Standard GenX, ER modded GenX, Standard Eheim, then Deltec/H&S modded Ehiems.....etc etc etc. Its hard to talk about these pumps and have people being CLEAR on which pump pulls what. I would be willing to bet the STANDARD GenX Needlewheel pumps pull no where near what the ER modded version pulls. I would guess the same is true of the Ehiems.

Oh and of course you can buy air pumps that are rated for certain flow...you may have to do some math but they do have flow ratings. One that will push 15+ lpm is pretty easy to find and relatively inexpensive too!

here is one for only $25 that pushes 540 lph....

http://www.premiumaquatics.com/Merc...&Product_Code=WON-5STAR&Category_Code=Dolphin
 
Hey Rufio,

generic 4100 Genx

2a47776f.jpg
 
<a href=showthread.php?s=&postid=7767619#post7767619 target=_blank>Originally posted</a> by yourfishman
540 lph = 9 lpm
Click to expand...

Yep I know :P. That pump would be great for a skimmer that uses a Sedra 5k, Aquabee 2000-1, GenX 2400, or an OR2700. Obviously its too small for the big daddies. But the sweatwater pumps will :)
 
<a href=showthread.php?s=&postid=7767856#post7767856 target=_blank>Originally posted</a> by bond007069
Hey Rufio,

generic 4100 Genx

2a47776f.jpg
Click to expand...

What kind of venturi is that??? Is that from Finsreef?
 
bond,

Thanks for the pic... but does anyone have actual pics of the Gen X needlewheel component... from what I hear, they are simply radial spokes with little vertical spikes on them.

Any help would be much appreciated!

Peace,
John H.
 
here is a question for the folks that have a airflow meter. Have any of you checked what the pump pull with no head preasure and when installed on the skimmer. The reason I ask is what if the numbers that are given by skimmer manufactures are with no head preasure on the pump. I know that H&S and Deltec are able to get 15lpm becuase the pump is halfway up the skimmer body. But what if it was all the way to the bottom. How would this change the reading. As of 2weeks ago iam now getting 13.5lpm on my ehiem/sedra pump
 
<a href=showthread.php?s=&postid=7768125#post7768125 target=_blank>Originally posted</a> by rufio173
Mchava,

Do you mean... you are getting 13.5 lpm on your eheim 1260 with Sedra impeller on it?

Thanks,
John H.
Click to expand...

Yes, same here .... I'm playing around with different size of venturi. I can manage to get around 12-14 lpm on the eheim 1260 with Sedra 5000 needlewheel. However, I choose to keep it at around 9-10lpm, 'cuz my ASM G2 can't handle that much of air. It causes many tiny bubbles returning back to the tank.
 
actualy iam not even using a venturi. I did the same thing that spazz did take a piece of ridgit ro tubing cut it at an angle and incerted that into the pvc pipe.
 
Hmmmm... I'd be very interested to see what would happen if you were to actually use a venturi on that sucker. I have a Spazz skimmer and when I actually modded it with a sedra 9000 venturi, it boosted air intake by about 3 SCFH as well as being quieter since now water flow and air flow were more evenly matched. I often wonder what would happen if I were to actually purchase one of the H&S venturis.

One more question, are you using a dwyer flowmeter?

Peace,
John H.
 
You must log in or register to reply here.

Similar threads

C
DIY Stand for Flatback Hexagon Tank
Replies
2
Views
2K
Drummer98
Drummer98
n2585722
Hex Tank Build
10 11 12
Replies
225
Views
23K
n2585722
n2585722
V
DIY alternative to AZNO3?
Replies
5
Views
3K
vahegan
V
T
DIY Tank Rebuild/Reseal - 220g
Replies
2
Views
2K
discussmith
D
P
FS: jabeo DCQ 10000, sea swirl 3/4”, eheim 1262, eheim 1260 skimmer pump
Replies
1
Views
511
phc567
P
Back
Top