BioTrace provides the BioDigest bacteria with the micronutrients needed to optimally purify freshwater and improve water quality. BioTrace information Contains all the microelements needed for aquarium life (amino acids, enzymes, natural vitamins…) BioTrace also provides trace elements:- sulphur for proteins- iron for plants and fish blood- cobalt for B vitamins- calcium, magnesium, manganese, zinc, molybdenum and potassium Dynamises the cellular metabolism of most of the bacteria living in freshwater aquariums BioTrace speedily accelerates the digestion of organic matter It also facilitates the elimination of nitrates and phosphates When should BioTrace be used ? Use in combination of BioDigest bacteria When you want to have a better water quality in you freshwater aquarium How to use BioTrace ? What volume ? What range ? What dosage ? 120 to 200 liters Standard 1 vial / 15 days 201 to 400 liters Standard 2 vials / 15 days 401 to 600 liters Standard 3 vials / 15 days 601 to 800 liters Standard 4 vials/ 15 days 801 to 1 000 liters Standard 5 vials / 15 days 1 001 to 2 000 liters Pro 1 vial / 15 days 2 001 to 4 000 liters Pro 2 vials / 15 days 4 001 to ... ... .. liters Pro add 1 vial every 2 000 liters