Aquarium Industry News & Education

First off, this is not meant to be a definitive article on pH. I am assuming most people reading this already have a decent grasp on what it is and what it does. It is one of those aquarium parameters which can fluctuate greatly between lights on and lights off. It tends to go down at night when nothing is performing photosynthesis and utilizing the extra carbon dioxide and up in the middle of the day when everything is. A lot of aquarists who closely monitor this parameter will find that t …