Tea Tonic Stainless Steel Tea Infuser This stainless steel tea infuser is perfect to use with loose teas. Tea Tonic, Australia's healthiest organic tea range, was created with the aim of making your daily cup of tea healthy and interesting, by making a variety of fun, healthy and clever teas. Their teas will leave you feeling rejuvenated, relaxed and nourished. Their teas are 100% organic, natural, pure and simple. Tea Tonic was founded by Lisa Hilbert in 1998 in Melbourne, where Lisa began selling her blends at the local markets. 20 years later and she is still creating beautiful teas using raw, natural materials.