I bought a controller for several reasons. 
-to monitor and control ph after setting up a calcium reactor. 
-I was using dial type timers that never seemed to work consistantly and became fed up with them. On/off functions with the controller so far have worked flawlessly and very easy to change. 
-But the biggest reason I wanted one, was to be alerted when an alarm goes off. I have it set to send my cell phone an email if there is a alarm condition. 
I have been using the controller for about a month and have had no problems with it. I have only started using the Aquanotes program  the past few days, so besides the email notification I haven't used most of the features yet. Some of the features are, tank and livestock databases, tank condition logs and graphs,notebook, remote access,etc. There is also a wave feature that I have yet to use. What I learned before I bought mine was, the more you use it the more things  you will think of, that it can used for.  So far I'm pretty impressed. 
		
	
		
		
		
		
		
	
		
		
	
	
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