| 7 Products | Feb 2025 | Feb 2026 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £7.17 | £6.25 | - £0.92 -12.8% decrease |
| | £5.00 | £5.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £7.50 | £7.50 | £0.00 No change |
| | £7.35 | £5.00 | - £2.35 -6.9% decrease |
| | £7.00 | £5.00 | - £2.00 -10.7% decrease |
| | £9.99 | £7.00 | - £2.99 -14.5% decrease |
| | £6.49 | £6.49 | £0.00 -12.8% increase |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.89 | £11.99 | - £1.90 -13.7% decrease |
| | £16.00 | £15.98 | - £0.02 -0.1% decrease |
| | £12.00 | £12.00 | £0.00 -0.1% increase |
| | £16.00 | £16.00 | £0.00 -0.1% increase |
| | £9.00 | £9.00 | £0.00 No change |
| | £10.35 | £10.35 | £0.00 No change |
| | £21.00 | £12.00 | - £9.00 -10.7% decrease |
| | £12.85 | £8.59 | - £4.26 -13.7% decrease |
| Calgon Hygiene Tabs Water Softener () | £5.93 | £5.41 | - £0.52 -8.8% decrease |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £6.00 | £4.00 | - £2.00 -14.1% decrease |
| | £9.45 | £9.39 | - £0.06 -8.8% decrease |
| Calgon Hygiene Plus Washing Machine Water Softener () | £14.00 | £15.17 | + £1.17 8.4% increase |
| | £12.00 | £12.00 | £0.00 No change |
| | £15.50 | £15.50 | £0.00 No change |
| | £14.50 | £18.00 | + £3.50 8.4% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £21.47 | £19.75 | - £1.72 -8% decrease |
| | £22.00 | £25.00 | + £3.00 13.6% increase |
| | £20.93 | £14.49 | - £6.44 -8% decrease |
| Calgon Hygiene Tabs Water Softener () | £23.91 | £23.25 | - £0.66 -2.8% decrease |
| | £25.50 | £25.50 | £0.00 No change |
| | £22.32 | £20.99 | - £1.33 -2.8% decrease |
| Calgon washing machine cleaner tablets limescale protection 45 tablets () | £12.40 | £16.00 | + £3.60 29% increase |
| | £12.40 | £16.00 | + £3.60 29% increase |
