Disable the Facebook Poster tool + the Gallery Poster for Facebook + the Facebook Promoter tool during 2-3 hours.
The Facebook Poster tool:
Post every:: 3 hours 15-20 minutes + Randomize posting time:: 10-15 minutes
The Gallery Poster tool:
Post every:: 2 hours 30 minutes + Randomize posting time:: 10-15 minutes
The Facebook Promoter tool
Post every:: 30-40 minutes + Randomize posting time:: 20-25 minutes