... wide range of PH value, does not cause harm to equipment, a great water purifier, clears up SS, ... water, waste water, and industrial water.UsageMethods on how to use Pac is as following :1: add the ... raw water, decide the best quantity of Pac to put into the water, when the turbidness of the ... 4, warning: this product can not be stored together with other toxic and/or harmful chemicals. specificationITEM ...