i see lots of people using the wooden airstone and cheap. now i regret why i buy the diffusor

why not DIY your own light? of course depend on how small the nano is hehe. i used a 36W PLL for my 15 inches tank :P but it is standing at a higher pos with my DIY stand haha.

i bought one from singapore, and now supplying co2 to my 2.5 and 1.5 should be standard size but might need to tweak the position of the regulator a bit.