Standardisation is key to tackling rooibos residue concerns

Farmer's WeeklyClayton Swart · 23 September 2026 at 03:00

Black marker pens, mosquito repellent, and hand sanitiser have been identified as potential sources of detectable residues in rooibos tea, industry experts told delegates at the Rooibos Tea Producers Association’s annual general meeting near Clanwilliam in the Western Cape on 17 September.
— Farmer's Weekly

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