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FAQ: What's the difference between Seachem Reef Calcium™, Reef Advantage Calcium™, and Reef Complete®?

Reef Complete® is the liquid version of Reef Advantage Calcium™. They are both ionic calcium supplements that also provide magnesium and strontium in typical utilization ratios. Since they both are the same, it simply comes down to whether you prefer liquids or powders. I personally prefer liquid because they are simple to dose and no pre-mixing is necessary. That being said, powders can be very economical. Reef Calcium™ is an organic calcium meant to help maintain calcium levels in a system, while Reef Advantage Calcium™ and Reef Complete® are meant to raise calcium levels in the system.

Reef Calcium™ is a poly-gluconate calcium that will provide more calcium to the system without the corals having to expend any extra energy, thus increasing growth and maintaining calcium levels. Reef Calcium™ typically will not be used to raise Calcium in the system, but rather to maintain calcium that is already existent in ideal levels. If levels are not in the ideal range, we would recommend that you use Reef Complete® or Reef Advantage Calcium™ to boost calcium levels. 

Our Reef Advantage Calcium™ and Reef Calcium™ are completely different calcium supplements. Reef Advantage Calcium™ is an ionic calcium that is very concentrated and very economical to use. Reef Calcium™ is an organic calcium complex that is very readily available. The calcium in this product is bound to an easily metabolized carbohydrate, hence it being very available and your corals do not have to expend as much energy to use this form of calcium. In using these products together, I would consider Reef Advantage Calcium™ your primary calcium supplement and Reef Calcium™ as your secondary calcium supplement.

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