ac110 on 75 gal?

  • We are currently upgrading MFK. thanks! -neo
ive got 2 on my 75.. so far so good..

8.5" L083
6" CAE
4" pbass (growout)


id use something smaller on a 30gallon unless you have something that likes whirlpools
 
An AQ 110 on a 75 g is only 6.6 times the turnover. And when they test gph turnover on filters they do so without any media or sponges whatsoever on filters. So you can pretty much count on the gph being cut almost in 1/2 once you put media in the filters (to be on the safe side). So unless you're keeping small tropical fish I'd say it's not near enough filtration. IMO.
 
TwistedPenguin;2199286; said:
Then you'd be underfiltered IMO :-)

Wouldn't you need to know the stock of the tank to make that conclusion:screwy:

What if all he has is a 18" jardini in the 300g tank? The AC110, two emp 400s and the UV sterilizer would be more then effective.

TwistedPenguin;2198578; said:
An AQ 110 on a 75 g is only 6.6 times the turnover. And when they test gph turnover on filters they do so without any media or sponges whatsoever on filters. So you can pretty much count on the gph being cut almost in 1/2 once you put media in the filters (to be on the safe side). So unless you're keeping small tropical fish I'd say it's not near enough filtration. IMO.

You guys always get hung up on the GPH. The AC110 does fine on my 75g which has housed a RD pair 8 & 11" and about 250 fry that are 1/2" for the last 10 weeks. Previous to that it had anywhere between 5 to 10 5" cichlids in it, never and issue with ammonia or nitrites. The weekly rise of nitrates has been 20 to 30 ppm with the RDs.
 
I'm allowed an opinion last I checked.
That's 4.3 gph turnover (with NO media in the filters since that's how they're tested). in my opinion a 1 1/2 foot long fish would need more than that in gph turnover.
 
TwistedPenguin;2199515; said:
I'm allowed an opinion last I checked.
That's 4.3 gph turnover (with NO media in the filters since that's how they're tested). in my opinion a 1 1/2 foot long fish would need more than that in gph turnover.

Again GPH don't mean poo. Plus the biomedia is included with biowheel filters and the biowheels do not slow the GPH.

You ever even had a 18" fish? What is your opinion based upon?
 
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