| 摘要 |
<p>A slow-dissolving sanitizing and clarifying puck for use in water such as swimming pool water preferably includes about 65 % to about 80 % trichloro-s-triazinetrione, about 4 % to about 12 % sodium tetraborate, about 10 % to about 22 % aluminum sulfate, and about 1 % to 5 % glycoluril.</p> |
