I have a 15 gallon nano reef tank. I have had it going for almost three months and was wondering how long i should wait to change the carbon. It has a biofilter in the tank.
Timothy
I have had this tank setup for about 3 months I all the sudden have had this green film show up on the top of the water what is it and how can I get rid of it.
I have had this tank setup for about 3 months I all the sudden have had this green film show up on the top of the water what is it and how can I get rid of it.