*help*Fish Coughing and scratching/flashing

  • We are currently upgrading MFK. thanks! -neo

Foxlarocks

Gambusia
MFK Member
Oct 31, 2009
138
1
16
Winnipeg, Manitoba, Canada
50gallon
'coldwater'
3 two inch longear sunfish
70F

I picked up a bunch of duckweed today. I found that my aquaclear 110 was just blowing it around the tank. So, I just swapped my aquaclear 110 that was on my 50gallon with a fluval 304 that was on my 100gallon.
Both full of BB.
both were initally seeded with BB from the 100gallon
As expected some 'filter gunk/material/particles' were released into the tank.

The fish began to cough and rub a little bit.

I did an 'emergency' 50% waterchange and they are still coughing and rubbing. I Observed them for roughly 5mins and in the time period they coughed/rubbed maybe 4 or 5 times.

I am going to rule out the new duckweed as causing the problem because they had no issues until after I swapped filters.


I will do a water test in about 20 or 30 mins.



Any ideas?
Do you think it is just the filter particles bothering them?
 
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