from the web
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Gently rinse each piece thoroughly in saltwater.
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Place the pieces in a new 30-gallon plastic container.
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Immerse the rock in freshly mixed saltwater with a specific gravity between 1.023 and 1.025.
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Use a heater to keep the water temperature between 72-78ºF.
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Create constant water movement with a powerhead, or an airstone
Keep the area dimly lit to prevent algae blooms.
Perform 100% water changes twice weekly.
Use a nylon bristle brush between water changes to gently remove white film or dead material.
After one week, check the ammonia and nitrite levels periodically. When water conditions stabilize and ammonia and nitrite test zero, the rock is now aquarium ready.
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