*May exclude certain brands.
**May not be combined with any other offer.
Code expires 12/13/13
Prodibio BioTrace provides the BioDigest bacteria with the micronutrients needed to optimally purify freshwater and improve water quality. BioTrace contains all the microelements needed for aquarium life, like amino acids, enzymes, natural vitamins and more. BioTrace provides sulphur for proteins, iron for plants and fish blood, cobalt for B vitamins, calcium, magnesium, manganese, zinc, molybdenum and potassium.