You might also strongly consider raising your water flow. It tends to congregate in areas of low water flow. You might also consider raising the frequency of your water changes with the puffer in there.
hth
p.s. if all else fails use an aquavac and chemicals for short term relief. The only problem with the chems is that it doesn't fix the underlying problem.
hth
p.s. if all else fails use an aquavac and chemicals for short term relief. The only problem with the chems is that it doesn't fix the underlying problem.
