single rw8 on a 30breeder enough flow?

[christopherjudd]

is a single rw8 enough flow for a sps frag tank? I have a 30 breeder tank.

 

[scrapz]

Is it enough? I'm sure it is.

Would I want just 1 powerhead in a tank? No. I always prefer to have 2 power heads working against each other.The redundancy of having 2 powerheads is also a benefit in my books.

 

[toothybugs]

Personally, I think that's minimal. I have 2 in my 40B and the swirl is, IMVHO, okay. I would like to have the ability to knock things around a bit more though.

These and a 15 are going in my new 75 next weekend, powered by a Syncra 4. If that doesn't knock stuff around more I'll just hook up a 30HP Yamaha outboard

 

[markalot]

They drop in power too fast to be enough. I would get two and alternate cleaning. The RW's are much better than the older models but they still lose a lot of punch over time. My 15's can blow sand around in my 150 but after a couple of months the flow is pathetic.

I thought they weren't losing power and was quite happy, but unfortunately I was wrong.

 

[scrapz]

They drop in power too fast to be enough. I would get two and alternate cleaning. The RW's are much better than the older models but they still lose a lot of punch over time. My 15's can blow sand around in my 150 but after a couple of months the flow is pathetic.

I thought they weren't losing power and was quite happy, but unfortunately I was wrong.

I keep hearing this and it just makes me regretting buying 3 of these things. So tempted to go and buy some mp40qds now..

 

[toothybugs]

I'm trying to limp through the next 8-9 months and then I'll drop a pair of MP40s in my system too. Or Tunze, still haven't decided to be honest.

 

[markalot]

I'm trying to limp through the next 8-9 months and then I'll drop a pair of MP40s in my system too. Or Tunze, still haven't decided to be honest.

I bought my first Tunze to put behind rockwork in my 150. I needed the same mount as the RW's on a pump that is very reliable since I won't be cleaning it often, if at all. The price hurts and I won't be replacing my RW15's up in each back corner. Easy to remove for cleaning, I just need to be less lazy about it.

 

[368]

Ime, you have to take these pumps apart often and thoroughly clean them to have good power/flow.

 

[scrapz]

Just because of this thread I went to go play with my jebaos. Definitely huge loss in a power after 1 month of not cleanring. Before on W1, 75% power it would continously suck in air, not it doesn't even do it at 100%. These powerheads have not been moved, time for some cleaning I guess.

 

[MichaelW]

Ah crap guys now I'm going to have to go check mine... Thanks a lot. Never cleaned them in 9 months. So much harder than my mp40s to clean because of all the cords etc have to come out. Mp40s just pull out the wet side and your done.

 

[368]

If you have an rw series be careful when opening the housing. The mounting edge has super sharp corners. Make sure to thoroughly clean the impeller shaft/magnet.