Acclimatizing a few things - questions

[naesco]

Originally Posted by fkshiu

Not true. You can acclimate for too long as ammonia will build up with no where to go and temperature can slowly drop. Anything over 1 - 2 hrs is not necessary IME.

Not for inverts IMO. I do it for 4 hours so that I do not risk problems with sensitive inverts.
I assume the reefer has placed the plastic bag to float in the tank or sump to equalize the temperature and than dripped from the main or sump to equalize salinity in which case the temperature will be steady and there will be no ammonia buidup.