Cf. The Danish Plant Directorate’s Instructions regarding Organic Farm Production (appendix 6, page 164):
Potassium-sodium soap
Water and steam
Hydrated lime
Lime
Dehydrated lime
Chlorine bleach lye (e.g. bleaching water)
Caustic soda
Potassium hydroxide
Hydrogen peroxide
Natural plant extracts
Citric acid, peracetic acid, formic acid, lactic acid, oxalic acid and acetic acid
Alcohol
Nitric acid (milking and dairy equipment)
Phosphoric acid (milking and dairy equipment)
Formalin
Products for cleaning and disinfection of udders and milking equipment – approved by the Danish Veterinary and Food Administration
Sodium carbonate
.jpg)