[jeffhardy55555]

i just place my co2 difuser in my 30 gallon tank, its a DIY one. i used the powerhead method with the gravel vaccum and the filter foam, what i was wondering is where to place it in my aquarium? should it be in the middle or is it fine in a corner and is one 2 Liter bottle enough to power it?? any advice would be greatly appreciated!!

 

[turtlehead]

2 liter will be fine u can place it anywhere you want but in the corner would be more eye pleasing.