Which Powerheads are considered "the Best"?

[Puff]

so maybe 2 Seio 620s or 820s??

620s probaby?

i assume the number is the GPH rating or something...possibly...maybe... lol

[TheReefGeek]

Yes, 2 620s would be awesome flow for your tank.

[Molino]

I've got two Seio 620's in my 55 gallon and am very happy with them so far.

[Mike Olson]

A friend of mine is using mj-1200's with those Hydor diffusers on them.....very cool and creates alot of mixed flow

[Delphinus]

What's a Hydor diffuser look like? Sorry, I guess I should know this, I just don't remember and I didn't find any useful hits in the 10 seconds I alloted myself to google it.

[G1GY]

Originally Posted by Delphinus

What's a Hydor diffuser look like? Sorry, I guess I should know this, I just don't remember and I didn't find any useful hits in the 10 seconds I alloted myself to google it.

I think it might be the little flat thingy on the outlet.

[niloc16]

i have a 55 gallon and i use a mj1200 and 2 mj600 and i get really good flow.

[Mike Olson]

Originally Posted by Delphinus

What's a Hydor diffuser look like? Sorry, I guess I should know this, I just don't remember and I didn't find any useful hits in the 10 seconds I alloted myself to google it.

Big Als has them and I have seen them at Pauls Aquarium in Surrey. They are a separate attachment that can go on powerheads or even returns. They look like a miniature version of the Tunze stream front and they revolve 360 degrees. THEY are not the little flat piece that come with the maxijets.
Hydor is the manufacturers name
http://www.marinedepot.com/aquarium_...ic.asp?CartId=

[midgetwaiter]

I mucked around with the bio flos on my return lines when I setup my new tank, I wasn't really impressed. I found them difficult to attach to the pvc and they blocked a lot of light. I also broke one of them somehow, broke a tooth off one of the gears, I have no idea how.

However in my 12 gal I stuck one on the end of my powerhead because my anemone wouldn't settle down. It takes up a big amount of space still but it did get the anemone to relax.

I don't think I'd recommend them to most people though, by the time you get a maxijet and the flo you are about $5 shy of a sieo and have nowhere as useful. That wide output on the sieo is very effective.

[DanG]

I have 2 620's in my 40, and if the chance came up I would swap them out for a pair of 820's. More flow the merrier. They do have flow restrictors on them, so if you did go with 820's and found it to be too much, you could slow it down a bit.