plantedtankman
Aquarium Advice Freak
For me.. it's putting backgrounds on my tank.
Fishkeeping snobbery
humans...
humans...
Those are annoying in or out of the hobby...
I also agree with the annoyance of deep tanks. To get to anything on the substrate of my 56 cube tank I have to stand on tiptoe and reach in nearly to my shoulder. The ridiculous markup on some aquarium supplies is annoying too.
Petco employees who won't admit they're wrong