dont know if u can view this..
http://www.facebook.com/photo.php?fbid=2827695249921&set=a.1567551107105.2074539.1185268198&type=3&theater">http://www.facebook.com/photo.php?fbid=2827695249921&set=a.1567551107105.2074539.1185268198&type=3&theater</a>
hmm, has there been any huge change in the past few days or weeks? maybe going from high to low po4 or low to high ca, alk, or mg?
I have no scientific evidence to back up the direction i am heading other then speculations made after watching different corals react to variable environmental changes