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**May not be combined with any other offer.
Code expires 5/23/13
Ecological Laboratories Essential Minerals & Trace Elements Plus Buffer is a uniquely developed formula that will replace very important essential minerals and trace elements depleted through filtration, livestock absorption, and protein skimmers.
Essential Minerals & Trace Elements will help maintain a proper pH balance in reef water and is convenient and easily used through marine life.
Dosage: 1 - 2 capfuls per 50 gallons one to two times per week.