Using a Seio as a current generator - Aquarium Advice

macman7010 · 10-02-2006, 11:02 AM

In my 120 reef I have two forms of current generation. One is the return line from the Mag Drive 5 (500 gph) and the other is a Maxi-Jet 1200 with the Hydor Flo installed. I also have a Fluval 404 I use for chemical mediums that generates flow, though I still have a large dead spot on one side of my tank.

I wondered if anyone used one of the Seio pumps, the one I was looking at pushed 660 gph and is said to have a nice dispersed flow. I was wondering if it is in any way comparable to a Tunze Stream, I know for certain it is much cheaper (40 bucks compared to 140)!

afishyonados · 10-02-2006, 11:18 AM

The SEIO's are great for their water dispersal and cost. Unfortunately, with savings comes a price. They cannot be put on a typical wave maker; they lock up and break impellers. If the power goes out, some will start back up, while some will just lock up. If you do not mind occasionally poking it to keep it running, they do move a serious amount of water for the money!
I would suggest bumping it up to the 820 or even the 1100, if your aim is to keep SPS.

steve r · 10-02-2006, 12:43 PM

i have two in my 75g. i think they are the 620. one did not start up after a feeding one time. it needed to be cleaned. this only happend one time though over a year. they do move a lot of water. sounds like you could use a good amount more flow for a 120g reef. even a bigger return pump.

steve r

macman7010 · 10-02-2006, 01:58 PM

well I am used to using Maxi-Jet powerheads for water motion and they lock up all the time, at least for me. I got a 24 dollar mod from mjmods.com that makes a maxi jet push around 1600 gph in a wide current. The mod worked well but for my tank it wasnt the most practical solution. The Tunze stream I think might be more current then I need so I probably will go to the Seio option.

ellisz · 10-04-2006, 12:52 AM

You can easily reduce the flow on the mjmod by using a different propeller or trimming the ones you have down. Still cheaper than a Seio.

10-02-2006, 11:02 AM	#1
macman7010 Aquarium Advice FINatic Join Date: Nov 2004 Location: MD Posts: 798 Images: 7	Using a Seio as a current generator In my 120 reef I have two forms of current generation. One is the return line from the Mag Drive 5 (500 gph) and the other is a Maxi-Jet 1200 with the Hydor Flo installed. I also have a Fluval 404 I use for chemical mediums that generates flow, though I still have a large dead spot on one side of my tank. I wondered if anyone used one of the Seio pumps, the one I was looking at pushed 660 gph and is said to have a nice dispersed flow. I was wondering if it is in any way comparable to a Tunze Stream, I know for certain it is much cheaper (40 bucks compared to 140)! __________________ Visit ReefWise.org http://www.reefwise.org "The greatness of a nation and its moral progress can be judged by the way its animals are treated." -Ghandi

10-02-2006, 11:18 AM	#2
afishyonados Aquarium Advice Freak Join Date: Sep 2006 Location: Sumter, SC Posts: 337	The SEIO's are great for their water dispersal and cost. Unfortunately, with savings comes a price. They cannot be put on a typical wave maker; they lock up and break impellers. If the power goes out, some will start back up, while some will just lock up. If you do not mind occasionally poking it to keep it running, they do move a serious amount of water for the money! I would suggest bumping it up to the 820 or even the 1100, if your aim is to keep SPS. __________________ Fish do not read books, nor care what we think.

10-02-2006, 12:43 PM	#3
steve r Aquarium Advice FINatic Join Date: Oct 2004 Location: kenosha wisconsin Posts: 653	i have two in my 75g. i think they are the 620. one did not start up after a feeding one time. it needed to be cleaned. this only happend one time though over a year. they do move a lot of water. sounds like you could use a good amount more flow for a 120g reef. even a bigger return pump. steve r __________________ 75g RR. 2x250 14k [acronym="Metal halide light"]MH[/acronym] / 2x54 T5 act. 29g sump. ASM G1X skimmer. phosban reactor. 80lbs [acronym="Live sand"]LS[/acronym], 90lbs [acronym="Live rock"]LR[/acronym], 2x seio M620. kole tang, bicolor angel, mandarin dragonette, ocellaris clown / BTA , cleaner shrimp, 2x peppermint shrimp, a variety of soft, [acronym="Small Polyped Stoney"]SPS[/acronym], and [acronym="Large polyped Scleractinian (stoney) coral"]LPS[/acronym] corals, orange linckia star.

10-02-2006, 01:58 PM	#4
macman7010 Aquarium Advice FINatic Join Date: Nov 2004 Location: MD Posts: 798 Images: 7	well I am used to using Maxi-Jet powerheads for water motion and they lock up all the time, at least for me. I got a 24 dollar mod from mjmods.com that makes a maxi jet push around 1600 gph in a wide current. The mod worked well but for my tank it wasnt the most practical solution. The Tunze stream I think might be more current then I need so I probably will go to the Seio option. __________________ Visit ReefWise.org http://www.reefwise.org "The greatness of a nation and its moral progress can be judged by the way its animals are treated." -Ghandi

10-04-2006, 12:52 AM	#5
ellisz Aquarium Advice Addict Moderator Emeritus Join Date: Sep 2003 Location: Indiana USA Posts: 2,676 Images: 9	You can easily reduce the flow on the mjmod by using a different propeller or trimming the ones you have down. Still cheaper than a Seio. __________________ 180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS. 100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,

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