6 Steps to Stable pH in a Saltwater System

Stability of water parameters is essential to success with marine aquariums, especially when it comes to keeping sensitive invertebrates. Among the various parameters that hobbyists often struggle to maintain at an appropriate level is pH, essentially a measure of how acidic/basic the water is. While the ideal target for pH in a marine aquarium is … [Read More]

Calcium: A Critical Element in Reef Aquariums

The stony corals, crustaceans, mollusks, and echinoderms in our marine aquariums depend on it to build their skeletons/shells/tests. Soft corals use it to build supportive structures, called sclerites, in their tissues. Of course, without it, you’ll never get a nice patina of coralline algae on your rockwork. The “it” I’m referring to is calcium, and … [Read More]