Some put out very small bubbles and some large bubbles. The fact is any bubbles will do. Most of the small ones I have seen make large bubbles good for splashing in cloners or getting clones started in a system. If it's just for the rez use whatever you got.
LOC NAR on probation Reviewed by LOC NAR on probation on . airstones vs airstones Should I use the 99 cent air stones that come in the 3 pack the ones round like a ball. They look like there doing as good as the walmart airstones the middle sized ones. Which 1 of these should i use? Ive bought both. Rating: 5