Will do that change tonight after the 12 hour stats. Just a quick query though, I usually add ammonia in the mornings so should I add it straight after the waterchange tonight or add it in the morning as usual? PH at 12 hour reading better at 6.6 should I still do the water change?
				
			
	            
 
 
 
  Nitrate 0 PH 7.6.