I have noticed lately that my fish, one tiger oscar and a Jack Dempsy, keep opening their mouths like in a yawning kind of way. I remember reading somewhere about this but i wasnt for sure what it said. Is this a problem with not enought filtration or something else? Thanks.
I have a 55 gal.
nitrate is 5-10
ite 0
hardness 250-300
alk 200ish
pH 8
I have a 55 gal.
nitrate is 5-10
ite 0
hardness 250-300
alk 200ish
pH 8