Vinmakare, Alex & Maria Koppitsch: . ."During harvest, all grapes are processed in the backyard. whole bunches go .straight into our screw press. no additives, no temperature control. Juice goes .straight into fiberglass and stainless steel tanks. racking before fermentation .kicks in. natural fermentation. no temperature control. All 5 components of .ROSZA were mostly co-fermenting and matured on gross lees for 6-7 months .without any additives, without fining and without filtration. .At bottling we added 10mg of sulfur. unfiltered. bottled on February 26th 2020."