![Grape marc/pomace left-over grape skins and seeds after pressing](http://static.sciencelearn.org.nz/images/images/000/004/683/full/RD21_ART_01_BioplasticNetClipsForWineIndustry_GrapeMarc.jpg?1674175399)
Grape marc (also known as pomace) is the solid left-over grape skins and seeds after the grapes have been pressed for juice to make wine.
Grape marc (also known as pomace) is the solid left-over grape skins and seeds after the grapes have been pressed for juice to make wine.