So, now that I'm down to 2 adult OEBTs (will be one probably within 48 hours) I'm pretty much wanting to tear the tank down and start over in the next few weeks. New substrate, though I'll keep the plants, they'll just go through a heavy PP soak. I know some folks bleach the tank etc but my problem is, this is a 12g long...not necessarily heavy, but quite unwieldy at 36" long. What would be the easiest way to either bleach or vinegar the tank and rinse? Taking it outside and hosing it would be easiest but the risk of smacking it into something and breaking it makes me nervous. I've got a few ideas in my head but figure someone on here probably has a SUPER easy way that's just not crossing my mind. Also, I have an Eheim canister on the tank. Should I replace all biomedia and sponges with new or just give them a good rinse instead of wiping out all of the good bacteria? The tank will either house tibees or CRS after the teardown. Not sure how susceptible they'll be to whatever bacteria wiped out my OEBTs. I've got Supremes living in there just fine but know they aren't susceptible to the same bacterias or are just more hardy in general. Wasn't sure about CRS or tibees.