Seachem Reef Advantage Calcium™

Seachem Reef Advantage Calcium is a concentrated dry calcium supplement for reef tanks, restoring the calcium corals, clams and coralline algae build with.

Key features

• Raises reef calcium toward natural seawater levels
• Concentrated dry powder, so it goes a long way
• Also carries strontium and magnesium in seawater ratio

Dose to a calcium test and keep alkalinity in step; if only alkalinity is low, buffer that instead. Part of our water care. Available for local pickup at our Lethbridge store.