Oxy Fresh is sodium percarbonate granules that are odourless, water soluble and toxic when ingested. When these granules dissolve in water, sodium carbonate peroxide and hydrogen peroxide are released. Oxy Fresh acts as a sanitizer for aquaculture water treatment. When it is added to the water, it decomposes, liberates oxygen and shows anti-parasitic effects and sanitizing properties. This is necessary to use in aquaculture farms for controlling the unwanted growth of algae. People can safely handle and use this product in ponds.