just researching about locusts (as you do) and thought a good place was reptile forums, anyway stumbled across this thread

step by step guide to making a c02 gas chamber



So if you need to make one of these, i have found you a good link

http://www.reptileforums.co.uk/feede...aking-c02.html

__________________
My Set-Up's

http://www.aquarist-classifieds.co.u...et-up-925.html

http://www.aquarist-classifieds.co.u...et-up-918.html

http://www.aquarist-classifieds.co.u...l-set-929.html