i had my tank running for a year and didnt have many problems cause i had all these worms eating excess food and the sand was always clean.i never vacuumed either.now i only have a fuzzy lion and dart fish and im getting that red algae again.i asked the lfs and they dont no what it is.i see it all the time in articles.its not red slime,i've had that in the past.this gets on the glass and would like to no if there is a cure.i have read about changing my bulb but isnt that for reef?i have a comm tank