DIY

do it your self?

do what?

i found something..

instead of buying hundred ringgit of CO2 system for my aquarium..

now i already know how to DIY my own CO2 generator!

haha..

what i need is..

yeast..

sugar..

water..

2L bottle

500 ml bottle

air hose & fittings

tp..

how come yeast can produce CO2??

wondering..