i have a 90grr mixed tank i recently swichted to from a 75 i upgraded the lights to 250mh everything was doing great until one day i lost my hydroporia that i had for a very long time and now all my sps tips are bleaching i've check my calcium,mag,alk,and have been doing regular water changes my phos is alittle high but not that bad where i'v also noticed that my canycane and my war coral are receeding a little, and from what i'v read lps love phos. i was running bio pellets took them out about 2 weeks ago and changed my carbon. any idea that would help me out thanks