Getting Ready to ship out a Fish to a friend Up coming Monday and got everything that i need to ship out the fish but oxygen(o2) but i got an oxygen(o2) source lined up.. my ? is when puttin Oxygen(o2) in the Bag do i need to put it below the surface of the water?? or just in the bag in general??? The LFS said they just pump it into the bag and ship them out like that... was also told by the Local Bait store that you inject the oxygen(o2) below the surface of the water then fill the bag with more oxygen... so which is the proper way to place oxygen(o2) in the bag to ensure the fish survives... its trek to its new owner