Biggest mistakes you have made in aquarium keeping?

  • We are currently upgrading MFK. thanks! -neo
Overfed a Ceylon puffer before leaving for the weekend... came home to him bloated and floating upside down at the top of the tank. :wall:
 
Hmm... where do I start?! I have made plenty of mistakes in the aquarium hobby!
Perhaps getting big fish in small tanks. Adding too many fish at once. feeding too much.
TRUSTING people will take care of fish once you rehome them...
I have made plenty. And learned from all of them!
 
What are the biggest mistakes you have made in keeping aquariums?
Listening to a salesman at a LFS when I got my first tank as a kid. Ended up with an oscar a clown knife a pacu 2 JDs 2 convicts a common pleco and a few others I can’t remember in a 20g. Then when they were obviously too big, he sold me a 60 and said that would be plenty big. No Internet in those days lol
 
  • Like
Reactions: Deadeye
I never used to use an air pump check valve. When I was in college the hose disconnected from the pump and about 10 of twenty gallons of my little tank drained off slowly dripping on to my landlord’s experience printing equipment below. $20,000 in damages which thankfully she had insurance for. I always put the valves on now! Water damage is no joke. ?
 
  • Like
  • Wow
Reactions: Matteus and Deadeye
Lol, I mentioned this thread to my wife, who then asked what the reaction was to my most recent bone-headed move...and I realized that I had mercifully almost erased it from memory...

I was filling a large storage tank in my basement fishroom using a hose. The water was running full-blast and I was sitting in my easy chair watching my fish and waiting for it to fill. Ran upstairs for another beer...stopped to chat with the wife...saw the TV show she was watching...took a sip, watched some more...sat down...and suddenly over an hour had passed and the basement was flooded.

Yes, I broke the cardinal rule of fish-keeping: never, never...NEVER...leave water running unattended.
 
The biggest mistake I’ve ever made was to probably take a break in fishkeeping. And where I live has powercuts now & then. Not often. But can be decimating to a tank, I’d like to have a backup generator in the near future. But getting back into it is so exciting, got to admit. You can see past mistakes and not to repeat them.
By all means get a generator. We had a planned 6 hr outage last night from 11 pm to 5 am which I completely forget about. Not a problem here, as the generator kicked on on less than 10 seconds (I do still have to reset two clocks). Having a whole house generator is peace of mind when you have a considerable investment in tanks and fish. The troubling question I always had was "what if there is an outage while we are away?" Not even a potential problem anymore.
 
  • Like
  • Love
Reactions: Matteus and Deadeye
MonsterFishKeepers.com