| 47 Products | Jan 2025 | Jan 2026 | Change |
| Schweppes Slimline Grapefruit Tonic Water Bottle (1l) | £1.75 | £1.78 | + £0.03 1.7% increase |
| | £1.75 | £1.78 | + £0.03 1.7% increase |
| Schweppes Slimline Tonic Water Mini Cans (150ml) | £4.95 | £5.98 | + £1.03 20.8% increase |
| | £4.95 | £5.98 | + £1.03 20.8% increase |
| Lixir Pink Grapefruit Tonic Water (500ml) | £1.85 | £1.85 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| London Essence Co. Grapefruit & Rosemary Tonic Water Cans () | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| Fever-Tree Light Cucumber Tonic Water (500ml) | £1.80 | £1.80 | £0.00 No change |
| | £1.80 | £1.80 | £0.00 No change |
| Fever-Tree Refreshingly Light Tonic Water (500ml) | £1.88 | £1.50 | - £0.38 -20.2% decrease |
| | £1.88 | £1.50 | - £0.38 -20.2% decrease |
| Fever-Tree Indian Tonic Water (500ml) | £1.98 | £2.44 | + £0.46 23.2% increase |
| | £1.98 | £2.44 | + £0.46 23.2% increase |
| ASDA Indian Tonic Water with a Lemon Flavour Twist (1l) | £0.65 | £0.84 | + £0.19 29.2% increase |
| | £0.65 | £0.84 | + £0.19 29.2% increase |
| Fever-Tree Indian Tonic Water (200ml) | £3.35 | £3.35 | £0.00 No change |
| | £3.35 | £3.35 | £0.00 No change |
| Fever-Tree Aromatic Tonic Water (500ml) | £1.91 | £1.91 | £0.00 No change |
| | £1.91 | £1.91 | £0.00 No change |
