Ok, 
Here is an up date. 
yes, still running externally all OK, nevertheless i installed a container under it just in case. 
 
Observation: It works better with smaller sizer reactor media. The reason is that the Atman PH1100 pump is more powerful then say Maxi Jet, and can push a lot more water though the media. 
So what i did is that i added small size aragonite to the reactor and now its completely packed. Also just to be on the safe side i protected the pump intake (the orange strainer on the last picture on page one of the thread)  with open cell foam/sponge from old aquaclear HOB filter. 
 
All in all its a good reactor, set it and forget it type. Ph effluent is 6.6-6.8 depending on the drip rate. I have it running at a fast drip rate about 3 drops per second. And a bubble of Co2 every 4-5 seconds. very economical in terms of Co2 consumption. If i slow down the effluent drip rate, Ph inside the reactor goes down a few points in few hrs. 
		
	
		
		
		
		
		
	
		
		
	
	
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