MarineDepot.com Education Center - Aquarium Charts & Diagrams

Diagram: What is a Calcium Reactor?

Calcareous organisms like corals and clams along with calcareous algae, such as coralline, use the calcium dissolved in water as one of the components to build their skeletons or shells. To keep a constant level in our reef tanks, we need to supply calcium into the water column. One of the ways to accomplish this is by using a calcium reactor. Our diagram illustrates a typical calcium reactor setup.

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Chart: Reef Tank Parameters

Maintaining proper reef tank parameters is essential to the health and well-being of fish, coral and invertebrate inside your aquarium. We created this chart so you will always know what the ideal conditions are for your wet pets. Use it while performing water tests so you will know how much supplement you need to dose your tank with.

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Diagram: What is a Protein Skimmer?

A protein skimmer is a type of mechanical filter used to remove organic material from aquarium water before it can break down into phosphate and nitrate. Where do these organics in your aquarium come from? A few examples are animal waste, uneaten food, excess bacteria and toxins from corals and other organisms.

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Diagram: What is a Sump?

One of the most frequently asked questions in the reef aquarium hobby is "What is a sump?" Much of this confusion stems from the synonymous use of the words sump, wet/dry filter and refugium. Technically all three are sumps by definition, which simply means a reservoir or container of water. Check out this diagram to find out the differences and similarities of sumps, refugiums and wet/dry filters.

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