I have 3 young green spotted puffers and 1 adult in a brackish 30 gallon tank. Right now salinity is between 1.018 and 1.014. When can I change to full marine or is it really necessary?
How old do young ones have to be? And does adult have to be full marine for good health and long life?
How old do young ones have to be? And does adult have to be full marine for good health and long life?
