In addition to red algae I have this dull green/brown trashy looking algae (assuming it's algae) throughout my tank? I recently did a 25% water chang and vacuumed the sand bed.  Leaving town for a week in a few days. Advice on how to proceed would be helpful.  Thanks!
				
			 
	 
 
		 
			 
 
		 
 
		 
 
		 
 
		 
 
		