[Dalal Alaithan]

Dear


I have HACH " D3900 " and i have read one method is for check the Suspended Solid
As below


https://cdn.bfldr.com/7FYZVWYB/at/2gqcfcttrsm2qp7v89788gh/DOC3165301139.pdf



When i read and asked more, Most of the people they said only accurate method is filtration method and no one recondition the HACH method


Any one have more details if i can follow the HACH method or not? Daily i received more than  7 samples and we did by manual way but I'm looking for save the chemist time if HACH work with confidence