Tagged: plastic-free PicturesList 01 The cup · 10 Jul 2026 The Same Long Steep That Is Kind to Rooibos Is Not Kind to a Mesh Tea Bag Rooibos rewards a long steep at a full boil with no bitterness penalty. That exact combination, near-boiling water held for many minutes, is also what tea-bag research finds strips the most microplastic out of a nylon or polypropylene mesh bag. Nothing filed under this topic yet.