You can get more than the 100oz in the camelbak if you do the following.
Lay the CB flat on a table.
Slowly fill
As it fills, raise the CB opening by the handle, keep the opening level.
Tap out air pockets.
Fill to opening threads.
Close opening
Remove air from drinking tube
Open again and fill to opening threads
Close and enjoy.
Lay the CB flat on a table.
Slowly fill
As it fills, raise the CB opening by the handle, keep the opening level.
Tap out air pockets.
Fill to opening threads.
Close opening
Remove air from drinking tube
Open again and fill to opening threads
Close and enjoy.