How to determine how much filtration for fish.

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batang_mcdo

Polypterus
MFK Member
Apr 24, 2006
2,110
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Manila
I'm just wondering , how do you determine how much filtration is enough for our fish? Besides testing for 0 ammonia/nitrite.

I just downgraded my arowana's filter, change my 4 ft sump into an eheim 2250 Canister filter.
MiscArowanapic028.jpg


MiscArowanapic028.jpg


my tank contains only an arowana , 18 inches. My water change is about 30-50% weekly, but i'm still not comfortable if the canister can handle the aros bio load? I moved my sump outdoors as our floor is made of wood and i'm worried also about the wight the sump adds.

any advise? also trying to save on electricity, so would like to avoid adding another pump if possible.
current filtration is only the eheim 2250 filled with lots of ceramic rings and some crushed corals, and an acdc pump , will be adding sponge filters for the acdc pump.
 
zennzzo;4058793;4058793 said:
Still OK for one Aro, for now...he's about what 16" w/ 4 level shine?
thanks :) Here's a picture of my aro. estimated size would be about 16 - 18 inches.

MiscArowanapic048.jpg


there are some 6th level shine, he eats like a pig, might also be the cause for his dropeye :D
 
zennzzo;4058942;4058942 said:
I bet you put him in a tank with no side glass for a while it will get better...up looking only for a while will do it...;)
Nice colors I like the classic shape too
thanks :) Maybe i'll try to get some black cloth and cover the sides for a few months :D
 
batang_mcdo;4061171; said:
thanks :) Maybe i'll try to get some black cloth and cover the sides for a few months :D
Too bad there is no
"one-way" tint...that way you could see in, but that nice big guy could only see up...
I would try that before surgery for sure...it's not that bad really, not like some down looking, cross eyes Silvers I seen before...:ROFL:
 
zennzzo;4061572; said:
Too bad there is no
"one-way" tint...that way you could see in, but that nice big guy could only see up...
I would try that before surgery for sure...it's not that bad really, not like some down looking, cross eyes Silvers I seen before...:ROFL:

:ROFL::ROFL: lol thanks :D
 
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