PSBIO is Photo Synthetic Bacteria. Bacteria will digest organic matter in water and improve water quality. PSBIO is anaerobic bacteria, so they are harmless to all kinds of aquatic animals. Since they do not need oxygen to live, the usage is very wide and can be used in high dosage for most effective results. It can be used in both fresh water and sea water with same result.
New Tank, use 1 cc per litre for 5 days and then 1 cc for 50 litre weekly