6 months no water change, no skimmer, no testing and everything looks great

[Animal-Chin]

Your words

The algae on the glass was so bad, you could not see into the tank to see what was going on.

My reply

So the moral of the story is if you don't maintain your tank it will be so algae filled that you can't see whats in it but the stuff in it will still be alive?

So........ya..........not seeing what I'm reading wrong....