Try this on-target, direct pigment priming and growth enhancement application and you'll see why BlackPowder blows the competition out of the water. Marc Weiss BlackPowder is designed to maximize growth and color in everything from anemones to coral, sea apples to sea cucumbers, filter feeders to cryptic organisms. No plankton, no waste! Your living reef comes vibrantly alive with BlackPowder.

112 grams treats up to 5,000 gallons.

Maximize growth & color in hard corals and live rock.

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