one could draw the line at doing all within your power to ensure that the fish has its biological, environmental and psychological needs met and leads a long and comfortable life.
a couple of suggestions
drain your compressor before use
or don't use it while parked on carpet
got any pics of the train set up
can't help with the stain sorry
picked up some nice jewel morphs this morning
pics tomorrow
will do another scout round tomorrow morn
put scorpion fish back as just a bit too big a mouth