| 15 Products | Jul 2025 | Jul 2026 | Change |
| Co-op Natural Mineral Water Sparkling (500ml) | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| Highland Spring Sparkling Water (500ml) | £3.15 | £3.15 | £0.00 No change |
| | £3.15 | £3.15 | £0.00 No change |
| Co-op Natural Mineral Water Sparkling (2l) | £0.70 | £0.70 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| Buxton Sparkling Natural Mineral Water (500ml) | £2.30 | £2.30 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| San Pellegrino Sparkling Natural Mineral Water Bottles 4x500 ML (500ml) | £3.10 | £3.10 | £0.00 No change |
| | £3.10 | £3.10 | £0.00 No change |
| Highland Spring Eco Sparkling Mineral Water (1.5l) | £1.05 | £1.05 | £0.00 No change |
| | £1.05 | £1.05 | £0.00 No change |
| San Pellegrino Sparkling Natural Mineral Water (500ml) | £0.70 | £0.70 | £0.00 No change |
| | £0.70 | £0.70 | £0.00 No change |
| San Pellegrino Sparkling Natural Mineral Water Glass (750ml) | £1.70 | £1.70 | £0.00 No change |
| | £1.70 | £1.70 | £0.00 No change |
| San Pellegrino Sparkling Natural Mineral Water Bottle 1 L (1l) | £1.65 | £1.65 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| Co-op Sparkling Peach Flavour Sparkling Spring Water (1ltr) | £0.85 | £0.49 | - £0.36 -42.4% decrease |
| | £0.85 | £0.49 | - £0.36 -42.4% decrease |
