| 40 Products | May 2025 | May 2026 | 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) | £5.93 | £6.15 | + £0.22 3.7% increase |
| | £5.93 | £6.15 | + £0.22 3.7% increase |
| 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) | £2.15 | £2.35 | + £0.20 9.3% increase |
| | £2.15 | £2.35 | + £0.20 9.3% 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) | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| 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 |
| London Essence Co. Orange & Elderflower Tonic Water Cans (150ml) | £3.40 | £3.80 | + £0.40 11.8% increase |
| | £3.40 | £3.80 | + £0.40 11.8% increase |
