Salty Q&A: Calcium and Alkalinity Out of Whack

Question I’m having an issue with the calcium and alkalinity levels in my reef tank. Right now, the calcium is at 380ppm, which is at the low end of the acceptable range, and the alkalinity is at 10dKH, closer to the high end of the acceptable range. I’d like to get the calcium up over … [Read More]

A Closer Peek at Marine Aquarium pH

One of the many important water parameters marine aquarium hobbyists must routinely monitor is pH. But what exactly is pH, what should the level be in a saltwater aquarium, what does an incorrect pH level tell us, and what’s the point of testing for it anyway? As we mention in our post titled “Putting Aquarium … [Read More]