| 8 Products | Feb 2024 | Feb 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £6.82 | £7.92 | + £1.10 16.1% increase |
| | £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 | £7.35 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £6.60 | £9.99 | + £3.39 7.1% increase |
| | £6.49 | £6.49 | £0.00 6.4% increase |
| | £7.42 | £13.99 | + £6.57 16.1% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets Limescale Protection () | £5.91 | £5.77 | - £0.14 -2.4% decrease |
| | £6.00 | £4.74 | - £1.26 -21% decrease |
| | £6.00 | £6.00 | £0.00 -10.5% increase |
| | £6.00 | £6.00 | £0.00 -7% increase |
| | £6.00 | £6.00 | £0.00 -5.2% increase |
| | £5.95 | £5.95 | £0.00 -4.2% increase |
| | £5.00 | £5.00 | £0.00 -3.6% increase |
| | £6.00 | £6.00 | £0.00 -3.1% increase |
| | £4.99 | £4.99 | £0.00 -2.6% increase |
| | £7.22 | £7.21 | - £0.01 -2.4% decrease |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.16 | £14.04 | + £0.88 6.7% increase |
| | £14.00 | £16.00 | + £2.00 14.3% increase |
| | £12.00 | £12.00 | £0.00 7.7% increase |
| | £16.00 | £16.00 | £0.00 4.8% increase |
| | £9.00 | £9.00 | £0.00 3.9% increase |
| | £10.35 | £10.35 | £0.00 3.3% increase |
| | £16.00 | £21.00 | + £5.00 9.1% increase |
| | £14.00 | £16.00 | + £2.00 9.9% increase |
| | £13.95 | £12.00 | - £1.95 6.7% decrease |
| Calgon Hygiene Tabs Water Softener () | £6.65 | £6.74 | + £0.09 1.4% increase |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £6.00 | £6.00 | £0.00 No change |
| | £8.53 | £8.95 | + £0.42 1.8% increase |
| | £10.49 | £10.49 | £0.00 1.4% increase |
| Calgon Hygiene Plus Washing Machine Water Softener () | £15.00 | £14.32 | - £0.68 -4.5% decrease |
| | £12.00 | £12.00 | £0.00 No change |
| | £15.50 | £15.50 | £0.00 No change |
| | £18.00 | £14.50 | - £3.50 -7.7% decrease |
| | £14.50 | £15.29 | + £0.79 -4.5% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £20.38 | £18.31 | - £2.07 -10.2% decrease |
| | £25.00 | £22.00 | - £3.00 -12% decrease |
| | £26.54 | £20.93 | - £5.61 -16.7% decrease |
| | £9.60 | £11.99 | + £2.39 -10.2% increase |
| Calgon Hygiene Tabs Water Softener () | £21.57 | £23.83 | + £2.26 10.5% increase |
| | £23.00 | £25.50 | + £2.50 10.9% increase |
| | £20.96 | £22.99 | + £2.03 10.3% increase |
| | £20.74 | £22.99 | + £2.25 10.5% increase |
| Calgon 3-in-1 Washing Machine Water Softener Limescale Protection (750ml) | £12.40 | £12.40 | £0.00 No change |
| | £12.40 | £12.40 | £0.00 No change |
