Originally Posted by noteworthy
I used aquarium sealant and it worked great for a day foaming up and giving me skimmate but now it is bubbling very huge bubbles instead of the small ones.
What is the salinity of your water? The larger the bubble usually means the salinity is not optimum/lower than recommended (35 ppt
). As Malkore points out, the type of airstone will also make a difference. <<Wood block "stones">>
will put out a much finer bubble which is much more efficient (more surface area) than regular air stones.