Future, get some distilled drinking water and pour it onto the strip. Leave it for 30 minutes so that the drinking water has time to absorb the carbon and minerals. Once this has accomplished its work, make use of a laboratory-grade soil tester and Get the effects. Advertisement cookies https://soiltestinglabsbd22085.suomiblog.com/the-basic-principles-of-soil-testing-facilities-bangladesh-45172136