Sunsun 704B Canister Filter Cleaning After ONE YEAR (NASTY SMELLY FILTER PADS and FOAMS)

Sunsun 704B Canister Filter Cleaning After ONE YEAR (NASTY SMELLY FILTER PADS and FOAMS)
Hello everyone, I have two Sunsun HW-704B canister filters on my 75 Gallon tank and I have not done maintenance on them in over 1 year. I admit I did neglect them for awhile but the params with water changes were good.
Anyways check out the nasty one years worth of sludge and muck in the filter.
I do recommend these filters they work great.
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