| 49 Products | Mar 2025 | Mar 2026 | Change |
| Schweppes Slimline Grapefruit Tonic Water Bottle (1l) | £1.72 | £1.78 | + £0.06 3.5% increase |
| | £1.72 | £1.78 | + £0.06 3.5% increase |
| Schweppes Slimline Tonic Water Mini Cans (150ml) | £5.90 | £4.50 | - £1.40 -23.7% decrease |
| | £5.90 | £4.50 | - £1.40 -23.7% 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 () | £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) | £2.15 | £2.34 | + £0.19 8.8% increase |
| | £2.15 | £2.34 | + £0.19 8.8% increase |
| Fever-Tree Indian Tonic Water (500ml) | £2.25 | £2.44 | + £0.19 8.4% increase |
| | £2.25 | £2.44 | + £0.19 8.4% increase |
| ASDA Diet Indian Tonic Water with Lime () | £0.65 | £0.68 | + £0.03 4.6% increase |
| | £0.65 | £0.68 | + £0.03 4.6% increase |
| ASDA Indian Tonic Water with a Lemon Flavour Twist Low calorie (1l) | £0.67 | £0.87 | + £0.20 29.9% increase |
| | £0.67 | £0.87 | + £0.20 29.9% increase |
| Fever-Tree Indian Tonic Water (200ml) | £3.35 | £3.35 | £0.00 No change |
| | £3.35 | £3.35 | £0.00 No change |
