| 20 Products | May 2025 | May 2026 | Change |
| Tesco Lemon & Lime Still Flavoured Water (500ml) | £1.80 | £2.00 | + £0.20 11.1% increase |
| | £1.80 | £2.00 | + £0.20 11.1% increase |
| Tesco Still Flavoured Water Plum & Pear (1l) | £0.75 | £0.90 | + £0.15 20% increase |
| | £0.75 | £0.90 | + £0.15 20% increase |
| Tesco Strawberry Still Flavoured Water (1ltr) | £0.75 | £0.90 | + £0.15 20% increase |
| | £0.75 | £0.90 | + £0.15 20% increase |
| Highland Spring Still Water Hydration Box (10l) | £5.80 | £5.85 | + £0.05 0.9% increase |
| | £5.80 | £5.85 | + £0.05 0.9% increase |
| Nestle Pure Life Still Spring Water (500ml) | £2.50 | £2.65 | + £0.15 6% increase |
| | £2.50 | £2.65 | + £0.15 6% increase |
| Princes Honest Still Spring Water (500ml) | £2.55 | £2.55 | £0.00 No change |
| | £2.55 | £2.55 | £0.00 No change |
| Tesco Lemon & Lime Still Flavoured Water (1ltr) | £0.75 | £0.90 | + £0.15 20% increase |
| | £0.75 | £0.90 | + £0.15 20% increase |
| Highland Spring Still Spring Water Bottles Family Pack 12x500 (500ml) | £3.50 | £3.60 | + £0.10 2.9% increase |
| | £3.50 | £3.60 | + £0.10 2.9% increase |
| Harrogate Spring Water Still (500ml) | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| Highland Spring Still Water Sports Cap (750ml) | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
