| Receiving koi after a long trip in a box:
#1 is normal procedure
#2 is emrgency procedure (some koi do not move in the bag)
#3 is a never-nerver procedure!
During their trip the koi generate quite a bit of ammonia. Considering the little amount of water they're in, the concentration can be elevated. The CO2 of respiration makes the water acidic, thus protecting the koi from the ammonia. Now add alkaline water from a pond (7.4-8.6) to this water, the water becomes alkaline and consequently the ammonia lethal.
Arthur |