Spent the last while frustrated and thinking about why my new airstone was only putting out bubbles near the top. I wanted a pretty 'bubble curtain' thing like I see online. 😄 ... Err, but I also wanted to do it for like $4 so i got a long thin single-barb airstone from LFS.
A bit of googling later, I found out I might need to soak it in my tank for a day, or as some other guy on the internet said "up to a week for it to be optimum".
Soaking my airstone now. Seeing if this helps.
Posting here, because I searched for thing like airstone soaking and airstone uneven bubbles etc and didn't find anything. Just adding data to the pile.
"go soak your airstone" sounds like a pretty nermy diss. 😄