Alabaster and Lloyd (1980) identified the pH range that is not directly lethal to freshwater fish as. 5.0-9.0. With few exceptions, pH values between 6.5 and 9.0 are satisfactory, on a long-term. basis, for fish and other freshwater aquatic life.
Papaya seeds can prevent and cure ailments related to the liver, gut, kidneys, bacterial and fungal infections, and dengue. They also help in contraception. Papaya seeds contain nutrients that help heal cirrhosis of the liver and improve kidney health, preventing renal failure.
Papaya's seeds are edible, although their peppery flavor is somewhat bitter. The fruit, as well as the other parts of the papaya tree, contain papain, an enzyme that helps digest proteins. This enzyme is especially concentrated in the fruit when it is unripe.Papain is extracted to make digestive enzyme dietary supplements and is also used as an ingredient in some chewing gums.apaya's seeds are edible, although their peppery flavor is somewhat bitter. The fruit, as well as the other parts of the papaya tree, contain papain, an enzyme that helps digest proteins. This enzyme is especially concentrated in the fruit when it is unripe.