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Dan Pellegrini · 05-03-2008, 01:04 AM

I-HEART-My-SMS122

I use a pH Controller w/ Solenoid on my Regulator + a Drop Checker. The Drop checker serves as a visual indication when the CO2 tank is empty, and a great verification that the controller is working. Even better, I don't bother calibrating my controller much, just make sure that where ever it is set is keeping the drop checker the right color.

If you do use a drop checker you REALLY need to use a kH Reference solution.

05-03-2008, 01:04 AM	#22 (permalink)
Dan Pellegrini Aspiring Aquascaper Join Date: Feb 2008 Location: Phoenix, AZ Posts: 57	I-HEART-My-SMS122 I use a pH Controller w/ Solenoid on my Regulator + a Drop Checker. The Drop checker serves as a visual indication when the CO2 tank is empty, and a great verification that the controller is working. Even better, I don't bother calibrating my controller much, just make sure that where ever it is set is keeping the drop checker the right color. If you do use a drop checker you REALLY need to use a kH Reference solution. __________________