水草情迷

Hello, this is first time I am here. I am the newbie of the newbies for aqua plants.

I saw the Tetra Optimat (green color) CO2 set which cost around HKD100.00. Is it good enough for a 22-24L small tank?

It said one bottle (HKD55) can fill up 50 times of the "bell" which is not bad if I don't want to try DIY CO2.

Any comment of this product? The bell itself is the membrane type diffusor, is it good and effective?

Thanks a lot.

效果普通！

thanks.
If compare to DIY CO2...say 2L bottle, 2 cup sugar and 1/4 teaspoon yeast with diffusor, which one is more efficient? coz I am considering which approach. thanks for advise again.

DIY比較經濟和有一定的持續性啊！
如果給我選擇我一定用DIY，如果有多餘錢就買傳統鋼樽式CO2！