I hope this is helpful and if you have improvements on this idea, let us know.
I know this idea is not new but I think it is important that the the key elements are considered when using this technique.
- Keep the cobra head open until you are ready to remove the wand.
- Close the cobra head before removing the wand from the bottle.
- Have at least ten feet of 3/16 hose in line to prevent 'out gassing'.
- Chill the bottles to be filled.
- Cap immediately after filling.