Why spend RM35 for yeast and a plastic diffuser ???

Goto any store to buy baking yeast for a few bucks.... and sugar and water... those are much cheaper...

Just make your own... a 2L soft drink bottle, some tubes and a CO2 reactor + a power head to pump out the water + CO2...

Check this URL for a detail DIY CO2 system :
http://www.qsl.net/w2wdx/aquaria/diyco2.html


Stan