Quote Originally Posted by vega15 View Post
All of my parameters are in check with the exception of my Phos which is at 0.31PPM I am working on this by use of a Bio Pellet system that has been up for 1 week.
Did your Zoa melting issue coincide with the start of bio-pellets? Do you have elevated Nitrites, or just Phosphates?

Did you start initially with a small amount of pellets?