| 43 Products | Apr 2025 | Apr 2026 | Change |
| 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 |
| London Essence Co. Grapefruit & Rosemary Tonic Water Cans () | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| Fever-Tree Light Cucumber Tonic Water (500ml) | £2.30 | £2.45 | + £0.15 6.5% increase |
| | £2.30 | £2.45 | + £0.15 6.5% increase |
| Fever-Tree Refreshingly Light Tonic Water (500ml) | £2.30 | £2.45 | + £0.15 6.5% increase |
| | £2.30 | £2.45 | + £0.15 6.5% increase |
| London Essence Co. Bitter Orange & Elderflower Tonic (200ml) | £19.90 | £19.90 | £0.00 No change |
| | £19.90 | £19.90 | £0.00 No change |
| Fever-Tree Indian Tonic Water (500ml) | £2.40 | £1.90 | - £0.50 -20.8% decrease |
| | £2.40 | £1.90 | - £0.50 -20.8% decrease |
| Fever-Tree Light Mediterranean Tonic Cans (150ml) | £9.00 | £9.25 | + £0.25 2.8% increase |
| | £9.00 | £9.25 | + £0.25 2.8% increase |
| Britvic Indian Low Calorie Tonic Water (200ml) | £15.85 | £15.85 | £0.00 No change |
| | £15.85 | £15.85 | £0.00 No change |
| Fentimans Premium Indian Tonic Water (500ml) | £2.50 | £2.00 | - £0.50 -20% decrease |
| | £2.50 | £2.00 | - £0.50 -20% decrease |
| Fever-Tree Aromatic Tonic Water (500ml) | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
