shouldnt this filter setup handle these fish?

i just dont get it
start from the beginning
55g with the dual hob that came with it
been running well over a year
raised my aro in it for a while
then i got 2 pacus
right now they are about 4 months old
i then added a diy 10g w/d sump filter
flowing over 200gph
also i have a bubble strip
i do w/c every week or 2
i did the normal w/c like 4 days ago
all of a sudden my pacus get cloudy eye
i test the water,amm is off the chart
last night i did a w/c
waited a few hours
tested it
still off the chart
so i did another w/c "wasnt sure if its safe but had to do something"
amm dropped a bit
let it run a full day
test again,still the highest color

so my question is why doesnt this setup work?
dual hob thats been running over a year
a 10g sump w/d running for a month and flowing over 200gph
air from a pump and 3 returns

i have some good filtration "i thought"
and yet others have better luck with less filtration,less w/c,less space?

"and yes the pacus are moving soon"

not really overfeeding
and lately i been feeding real light
feed pellets and raw shrimp
feed every other day or every 3rd day
sometimes a snack
but mostly every other day lol

and tank mates
1x 3" pleco
2x 3" armored catfish
2x mosquito fish
1x 1" jewel cichlid
"not a joke"
LOL

islander671;1868101; said:

could something have killed of your bb? increased chlorine or chloramines into your tap water? what do you use to treat you water?

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tested my tap and its normal "for here" lol
and i use prime,and usually add a bit more then recommended

you must have bad luck i guess same as me i have a heavily filtered 55 for example which i do water changes every other week on and my friend has a 55 with a tetra whisper 40-60 filter and he does one water change every 6 MONTHS!! and his fish grow faster and look nicer i seriously will give him one of my fish for a month and theyll come back 2 inches bigger its wicked annoying

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i guess
unreal how it works
dont care,fish grow great
care,fish get sick

Make sure no one "helped out" and cleaned your glass with a glass cleaner with ammonia in it. Or, maybe the 10 gallon was contaminated with something.

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im the only one that touches the tanks
and 10g was a running aquarium before it became a filter

rallysman;1868343; said:

How and how often do you clean the filters?

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on the hob i rinse the carbon and rinse the bags

on the w/d i just rinse the felt pads

i do this about every time i do a w/c

same with gravel vacing