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Reef Additives

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Seachem Reef Plus
Seachem Reef Plus
(4)
$6.70 was $9.99

35% off your first

Same Day Delivery Eligible
Fluval Sea Iodine
Fluval Sea Iodine
(5)
$4.00 was $9.99

35% off your first

Same Day Delivery Eligible

Coral Reef Additives

Just like taking vitamins for your health, your coral may benefit from additives and supplements. Because every aquarium is different from setup to aquatic life, there is no solution that fits every aquarist. For a fish only aquarium, completing a regular water change may suit your aquatic life's needs. A reef tank full of corals may require the addition of calcium, alkalinity, magnesium and other trace elements. These elements are the building blocks for many corals and invertebrates, as they grow these elements are absorbed reducing their levels within the aquarium.

Frequently Asked Questions

The building blocks for coral are alkalinity, calcium and magnesium. These elements are used by coral as they grow.

This can vary based on the amount of corals and invertebrates living in the aquarium. The best way to determine your reef tank's specific needs is to test for each of these elements.

A few differences between liquid and powder is with the liquid, you do not need to premix it with water before adding it to the aquarium. Powder supplement you tend to get more volume, for like products, for a cheaper cost.