You are hereUCG.org / Sermons / Purge Me With Hyssop Purge Me With Hyssop Given on Mar 18, 2017 by David Dobson Listen Downloads MP3 Audio (14.33 MB) Downloads Purge Me With Hyssop MP3 Audio (14.33 MB) × "Hyssop" appears twelve times in scripture, always in the context of covering sin. The use of hyssop in Exodus to brush the lambs' blood on the door posts prefigured the shedding of the Lamb's blood for human sin.