I have pretty much done most of what you requested and point taken in regards to different opinions - on speaking to a know it all today - he asked me about the media in the bottom of my tank which happens to be (in the main) ceramic, volcanic rock around 1-2 and a half cm's - he stated that...
HI wondering if anybody can shed any light on the issue/problem i have?
I have a 60g tank with a few tetras / 2 apple snails / 2 shrimp / few mollies (all fish are between 1/2 and 1 1/2 inch) - i also have/had 2 plecs 2 cats 3 small tiger eels and an albino bottom feeder (not too sure of name...