| 41 Products | Jan 2025 | Jan 2026 | Change |
| Schweppes Slimline Grapefruit Tonic Water Bottle (1l) | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| Schweppes Slimline Elderflower Tonic Water (1l) | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| Schweppes Slimline Tonic Water Mini Cans (150ml) | £5.73 | £4.50 | - £1.23 -21.5% decrease |
| | £5.73 | £4.50 | - £1.23 -21.5% decrease |
| London Essence Co. Grapefruit & Rosemary Tonic Water Cans () | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| Fever-Tree Light Cucumber Tonic Water (500ml) | £1.70 | £1.70 | £0.00 No change |
| | £1.70 | £1.70 | £0.00 No change |
| Fever-Tree Refreshingly Light Tonic Water (500ml) | £1.83 | £2.35 | + £0.52 28.4% increase |
| | £1.83 | £2.35 | + £0.52 28.4% increase |
| Morrisons The Best Low Calorie Elderflower Tonic Water (500ml) | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| Fever-Tree Indian Tonic Water (500ml) | £1.97 | £2.25 | + £0.28 14.2% increase |
| | £1.97 | £2.25 | + £0.28 14.2% increase |
| Morrisons The Best Low Calorie Pink Grapefruit Tonic Water (500ml) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Fever-Tree Aromatic Tonic Water (500ml) | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
