Full melt ice water bubble hash is the highest grade of cannabis concentrate, made by separating the plant's trichome glands using only ice, water, and agitation. Its name refers to the exceptional purity that allows it to melt completely into a clear, oily puddle when dabbed, leaving little to no residue behind. This solventless extraction method, also known as bubble hash, is considered the gold standard for preserving a strain's natural flavor and aroma