Marc,

Not wishing to sound negative as well but can you expand on why you think the bubble trap idea needs to be "fixed" when firstly it is only really a second stage peace of mind device but it also works fantastically well for the purpose intended?

It would seem to me less "square peg in a round hole" and more "re inventing the wheel"?

Could you tell us what you think could be better about this system, as of course ideas that solve a problem or make things easier are always welcomed by the community?

Colin