Five-mL tubes in the magnetic stand for 5 min, then eliminate the buffer by using a pipette and clean the beads 2× with 500 μL of clean 80% ethanol. Immediately after the 2nd clean, clear away all ethanol and make sure that no ethanol is remaining while in the samples. https://magbeads37036.izrablog.com/30176349/details-fiction-and-genomic-dna-extraction