... ... as long as you can eat do not have to worry about .... generally all right ... like fritters. Previous well water contains potassium aluminum sulfate ..
Poly aluminum can not reduce the ammonia nitrogen content of ozone can reduce the content of ammonia nitrogen.
Set the scraper or the surface of the overflow weir dredging, while using the filter cloth to do interception. Sometimes, a little agitation will precipitate.
Aluminum chloride phosphorus removal effect is good, more convenient. If you do not know where; small amount of purchase, go to the local chemical store to buy,
Long-term use of zeolite and ion exchanger after failure can be reused by the re-use, in boiling water, calcium, magnesium will not precipitate precipitation. T