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Old 09-06-2004, 09:42 AM   #11
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I just ordered a 620 from Mainedepot for $28.95 ($7.99 shipping). I'll let you know the results, mabey I'll write a review since its a fairly new product.
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Old 09-06-2004, 03:37 PM   #12
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Hey guys,
Been using a pair of M620s on my 55g with an "unrecommended" wave timer for about 3 months and I have had no issues yet. Rio does not recommend that their Seio line be utilized with a wave maker device. They will be putting out their own line of wave makers/timers at the MACNA show. Their timer is supposingly a variable voltage that would eliminate the hard startups that eventually fry the impeller assembly. But as I said, for the little bit more than a MSRP MJ1200, why not try it.
As for flow, I love it! It simulates the expensive Tunze powerheads in terms of high dispersed flow versus a stream jet on ordinary powerheads. Great for SPS keepers. Most people mount it "Tunze style" by taking off the cover & directional spout. Comes with a lot of different brackets & a pivoting ball bracket to aim the flow up or down & side to side.
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Old 09-06-2004, 03:43 PM   #13
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I knew somebody out there was using them, Thx 2phat
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Old 09-14-2004, 09:40 AM   #14
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Well I received mine yesterday and I have to say, I'm kinda dissapointed. I expected alot more flow than what this thing puts out. I only fooled with it for a little bit because I guess I better spend most of my time getting ready to evacuate for this hurricane.

Pecan, is there a flow setting that you can adjust on these things?

Compared to the 1200, I think they (1200) put out more flow, maybe I'm missing something here.

Later
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Old 09-14-2004, 09:48 AM   #15
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I should get mine on thurs. Sucks to hear you did not like it. How big is it in person?
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Old 09-14-2004, 10:44 AM   #16
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Its a little bit larger than the 1200
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Old 09-15-2004, 04:50 PM   #17
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what size did ya get ?
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Old 09-16-2004, 02:21 AM   #18
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GrndHog,
Make sure that you have the diffuser (the cylinder shaped housing with the slotted grates) fully opened. Also, if you take off the deflector and run it "Tunze style" you'll receive a higher flow than what the unit is rated.
Also remember that these are not turbulent "stream" or "jet" style powerheads, rather a high flow dispersed pattern. If you place your hand in front of the unit, you should feel a pretty powerful stream & as you move away 1-2 ft, you will noticed the wide dispersed flow.
Personally, I like this type of flow much better than the "jet" type that would peel the skin off my SPS if pointed staight at them.
Another reason why I can tell that the gph is there, is that my clams on the sandbed (which the Seios are not pointed at) have their mantles flapping around as the units alternate on & off.
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Old 09-16-2004, 10:41 PM   #19
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I have the smaller of the two Seios going in my 120 just for some more current and while it's not super strong, I did order the smaller of the two and I can't say that I'm not satisfied so far...It's been going on the tank for about three months without any problems.
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Old 09-16-2004, 11:11 PM   #20
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I got mine today(620) I will get it on my tank after a short trip to FL. Hopefully no hurricanes even though Jane is on her way.
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