4 ms·
Coat them in something anti-bacterial like silver? It's pretty cheap, and apparently safe for human consumption?
by gwicks56 8y ago
Coat them in something anti-bacterial like silver? It's pretty cheap, and apparently safe for human consumption?
- ovao 8y agoThis is a somewhat common technique used in, for example, beverage dispensers. Food-grade anti-microbial coatings are available and apparently quite useful.
- workinthehead 8y agoThere are concerns that silver ingestion would upset the balance of intestinal bacteria that we depend on for digestion.