With 2 year old bulbs your lucky that's the only algae you have. General concensis is a year or less on MHs. It's probably effecting your coral growth also.Bryan said:Will 2 year old halides cause a brown algae to form on the sand bed? My parameters where good last i checked 4 days ago and will again today. I will post them after.
Bryan said:Bill,
What version of Access do you run, so I can save it in the proper format for you....