As said any pet food wholesaler (yellow pages will turn a few up),
most also stock yew nuts (csl pellets to the carp tackle trade), brown
crumb, fish meal, trout pellets, maples, maize the list goes on all at a
fraction the price that fishing shops sell them at. ok so you have to get a
few kg

, but if there's 2 or 3 of you.
The smell, try using a pressure cooker 20 mins then leave to cool outside
doesn't remove the smell but you don't have to live with it for that long,
the water hemp ratio takes a bit of working out to just leave enough water,
once they cool enough to remove the lid I add some boiling water to just
above the hemp.
Fizz, you can roast some uncooked hemp them grind it up add this and you
will achieve a degree of fizzzzzz ;-)
bicarb helps soften them and makes them darker, well always seem to with
mine.
Hairless Inc,,