Gongyi Filter Industry Co., Ltd.

Swimming pool after adding aluminum chloride precipitation at the bottom, but suspended in water man

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2017-12-07 13:36:13

Put the water before the PH value must be adjusted to 7.5-7.8, such as the rain is best not to pollination of aluminum chloride, because the rain will lead to water can not rest and the PH value decreased, thus affecting the sedimentation effect Putting the best to keep the water cycle Half an hour, resulting in polyaluminium chloride does not sink, when the water appeared in the alum, before the vacuum. Dosing is best done after the end of the evening, still 6 to 8 hours

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