Washing bottles is a right royal pain. <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt="

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I would suggest a 5 gallon pressure barell with S-30 CO2
or smaller CO2 cartridges if S-30 is not widely available
You could always offer two starter kits:
Bottled
Draught
Also instead of glass bottles I would use the plastic 1.0l brown pet beer bottles.
Much,much safer then glass and easier to judge carb levels than glass for the novive
I have also been toying with the idea of designing a really CHEAP replacement top with a CO2 injection capability:
Remember the very old bicycle tyre valves ( Before the high pressure system ) that had a bit of very small tubing inside the tire to act as a non return valve? ( Very similar to the design of the S-30 valve but without the blow off safety valve part on the outside.
If we could get these moulded into new caps then bingo - a very simple way to inject CO2 into a bottle. Might make some prototype in brass when I get the lathe cranked up
Keep up the good work - the more novices we get brewing the better for the craft, the industry, the ecconomy.
The way to keep them hooked is by providing a smooth entry into the craft and this sort of well thought out, researched kit is the way
Its win win win!!!
Cheers
Will