| 摘要 |
<p>A composition for treating swimming pools to inhibit the growth of algae, fungi and bacteria, and to prevent the formation of turbidity in the Pool water, more particularly to reduce the dosage of chlorine or chlorine-based chemicals to maintain the pool water in a clear and pathogen-free condition, while at the same time substantially eliminating the risk of deposits and stains being formed on the pool walls, comprises by weight - from about 78 to about 83 percent of copper sulphate, from about 0,08 to about 0,12 percent of silver nitrate, from about 1,0 to about 1,4 percent each of sodium gluconate and zinc chloride or zinc sulphate, from about 16,4 to about 9,6 percent of water, and from about 3,5 to about 4,5 of a complexone, preferably the tetrasodium salt of EDTA. To ensure the desired properties and consistency of the product as well as successful manufacture, the ingredients have to be mixed in a particular manner and sequence of steps.</p> |
