Fluval 125 external filter

[kiko]

Hi all

Anyone got any thoughts on an external filter running on fluval Roma 125 (33gallon)? I have been looking at the fluval 207 & 307 but worried that 307 might make it like a washing machine.

from what I see the highest pump on there is the fluval 407 at 383gallons per hour...
here's a video on my new internal sump on a 10gallon running at 400gph

VID_20220220_201924.mp4

Watch "VID_20220220_201924.mp4" on Streamable.

streamable.com

It's not yet fully finished..but you get the idea...
at 33gallons you could literally have a pump doing 1200gph and look the same as long as you have good water displacement
since you'll be using a canister...the easiest way for you would be on the return pipe
put a thread on it and then a piece of pipe connected to it with a plug at the end with a whole bunch of holes on the sides
that way the water doesn't jet into the tank
the whole idea behind using threaded pipe instead of glued etc...is merely for cleaning etc..down the road

 

[.Craig.]

Thanks for the reply, I like the idea. just looking at the 307 and it says there is an option to reduce flow On the filter, also seen you get a spray bar. was thinking the 307 might be more useful for future tanks As they will no doubt be bigger.

 

[kiko]

honestly since you got the tank already drilled I'd just go with an actual sump...if done right everything runs without a single peep of noise
which was the main reason for me to start doing my own stuff instead of using air sponge filters etc and hearing that bubbling/humming all the time gets annoying...
you can then get rid of those 2 "bricks" inside the tank..
I saw you got tetras and shrimp which with overflows most of their fry will just die regardless of whether you use a drilled hole, mesh etc...
the only thing I found that works great would be rocks inside a sump partition...

this way the gravel acts as a "fry/shrimp" filter and you don't lose any shrimp/fry this way and put the filters on the forward partitions
it also acts somewhat like a natural filter as in nature big stuff gets stuck on rocks...
here would be the same leaving your sponges/floss to filter the smaller stuff
just make sure the partition has a big enough surface area so you don't have to vacuum it that often and a high enough exit to allow for flow

 

[.Craig.]

honestly since you got the tank already drilled I'd just go with an actual sump...if done right everything runs without a single peep of noise
which was the main reason for me to start doing my own stuff instead of using air sponge filters etc and hearing that bubbling/humming all the time gets annoying...
you can then get rid of those 2 "bricks" inside the tank..
I saw you got tetras and shrimp which with overflows most of their fry will just die regardless of whether you use a drilled hole, mesh etc...
the only thing I found that works great would be rocks inside a sump partition...
View attachment 155155
this way the gravel acts as a "fry/shrimp" filter and you don't lose any shrimp/fry this way and put the filters on the forward partitions
it also acts somewhat like a natural filter as in nature big stuff gets stuck on rocks...
here would be the same leaving your sponges/floss to filter the smaller stuff
just make sure the partition has a big enough surface area so you don't have to vacuum it that often and a high enough exit to allow for flow

My tank has no pre drilled holes in it, I was just going to use an external piped over the back and use a hole cutter to modify lid.

I can understand why to would like it silent. I am not a fan of noises from air pumps etc either.

 

[Aaliize]

Thanks for the reply, I like the idea. just looking at the 307 and it says there is an option to reduce flow On the filter, also seen you get a spray bar. was thinking the 307 might be more useful for future tanks As they will no doubt be bigger.

Hey! I if you are still in search I'd recommend you this review of the water filters https://pickedbyfish.com/hang-on-back-filters/. I found it really useful. Interestingly, there is said that
the wrong water filter can have a negative impact on the fish’s health. You also need to consider a flow rate of the filter before purchase.