Sadly they don't make many detergent bottles with the large spouts like they used to. I've got a foldgers coffee can (plastic) with a large spout like that glued to the lid that I let friends use when they come out to play (not that often) so they can minimize paint spillage. Can only holds a bag though.
The advantage of the can however is that the entire top of it comes off, so you can dump a full bag into it at once, and then use the spout to carefully fill pods. A full on detergent bottle like you have would likely take more effort to fill with paint from a bag then to fill pods with the bag.
"Originally posted by YeloSno: comeon guys, I need pro paintballer, not pro buttbanger info here."