What Chemicals Are Used To Buffer Fish Tanks in the USA

In freshwater aquariums, most of water’s buffering capacity is due to carbonates and bicarbonates. What buffers pH in the aquarium? Use crushed coral or dolomite gravel for substrate. These calcium carbonate-based gravels slowly dissolve over time, raising and buffering pH. Decorate your aquarium with limestone or coral rock. As with driftwood for lowering pH, use…