| 50 Products | Sep 2024 | Sep 2025 | 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 | £4.48 | - £0.47 -9.5% decrease |
| | £4.95 | £4.48 | - £0.47 -9.5% decrease |
| 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 () | £2.88 | £3.00 | + £0.12 4.2% increase |
| | £2.88 | £3.00 | + £0.12 4.2% increase |
| 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) | £1.85 | £2.14 | + £0.29 15.7% increase |
| | £1.85 | £2.14 | + £0.29 15.7% increase |
| Fever-Tree Light Spiced Orange Ginger Ale 500 (500ml) | £1.85 | £2.14 | + £0.29 15.7% increase |
| | £1.85 | £2.14 | + £0.29 15.7% increase |
| Fever-Tree Indian Tonic Water (500ml) | £1.95 | £2.25 | + £0.30 15.4% increase |
| | £1.95 | £2.25 | + £0.30 15.4% increase |
| ASDA Diet Indian Tonic Water with Lime (1l) | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| ASDA Indian Tonic Water with a Lemon Flavour Twist (1l) | £0.65 | £0.68 | + £0.03 4.6% increase |
| | £0.65 | £0.68 | + £0.03 4.6% increase |
