Sorry guys lots of posts today. The temperature fall in my tank today has made me refocus on all the issues I have that I should be taking care of.
I bought one of those hagen aquaclear hang on back filters, to use as a place to put some Cheato. But when i plug it in the motor makes an incredibly loud clacking sound, And I thought "well maybe it will stop" but after about 10 mins of it making the noise i disassembled it checked the impellor and it seemed ok then plugged it back in same thing. Then i looked closer, seems like the impeller sits really deep into the motor housing there is very little clearance between the blades and the body. There were some very fine ridges in the plastic body that i took a little sandpaper to to make it super smooth but no go still loud clacking.
Any thoughts?