I feel the bacteria population will reduce in size to the availability of organic waste. So, it may decrease in size if you add some goldfish and stop dosing with ammonia. This shouldn't harm anything. I'm not speaking from experience though, but can't see any way how a small BB die-off if it occurs would cause any damage at all.
Not sure what you mean by floating? Why would they not do okay?
In regards to the beneficial bacteria, 5 snails shouldn't have a major impact. The bacteria should catch up in population before anything harmful may happen.
I've added 8 nerite snails at once and 10 baby angels (shipment), when all I had was a few angelfish to start in my old 50 gallon tank. They were fine, the tank didn't even notice. Assuming it's cycled just feed a little less if you're worried and work your way up. They shouldn't poop much more than what's already in their intestines, and then what you feed them.
This is just my opinion/experience though I could be very wrong and just lucky!
Not sure what you mean by floating? Why would they not do okay?
In regards to the beneficial bacteria, 5 snails shouldn't have a major impact. The bacteria should catch up in population before anything harmful may happen.
I've added 8 nerite snails at once and 10 baby angels (shipment), when all I had was a few angelfish to start in my old 50 gallon tank. They were fine, the tank didn't even notice. Assuming it's cycled just feed a little less if you're worried and work your way up. They shouldn't poop much more than what's already in their intestines, and then what you feed them.
This is just my opinion/experience though I could be very wrong and just lucky!