They are working perfectly. Original boxes. No receipts. No media included. Media baskets included. All tubing included
I paid 60 each a few months ago
I paid 60 each a few months ago

Bderick67;3976142; said:You actually believe you could have enough bioload in your 55g that the two ACs couldn't handle it?
Sucks that your ruined your ACs not sure what you did. I have had all of mine for 3-4 years and have yet to hear a grinding noise out of any of the 9 of them.