Tonics and Mixers Ever wondered what the best thing to mix your gin with is? I’m here to help. The Tonic Taste Test – part 1 The Tonic Taste Test – part 2 The Tonic Taste Test – part 3 Regency Tonic Peter Spanton Mixers Double Dutch Mixers Merchant’s Heart Mixers Distiller’s Tonic Ledger’s Tonic Sekforde Mixers Doctor Polidori Tonic Glacier Fire tonic Artisan Drinks Co.