| 8 Products | Jul 2024 | Jul 2025 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £7.74 | £7.00 | - £0.74 -9.6% 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 | £7.00 | £0.00 -5.7% increase |
| | £9.99 | £9.99 | £0.00 -4.5% increase |
| | £6.49 | £6.49 | £0.00 -4.2% increase |
| | £12.29 | £7.99 | - £4.30 -9.6% decrease |
| Calgon 4-in-1 Washing Machine Water Softener Tablets Limescale Protection () | £5.98 | £5.80 | - £0.18 -3% decrease |
| | £5.50 | £5.98 | + £0.48 8.7% increase |
| | £6.00 | £6.00 | £0.00 4.2% increase |
| | £6.00 | £5.00 | - £1.00 -2.9% decrease |
| | £6.00 | £6.00 | £0.00 -2.2% increase |
| | £5.95 | £5.95 | £0.00 -1.7% increase |
| | £5.00 | £5.00 | £0.00 -1.4% increase |
| | £6.00 | £6.00 | £0.00 -1.4% increase |
| | £4.99 | £4.99 | £0.00 -1.1% increase |
| | £8.35 | £7.30 | - £1.05 -3% decrease |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £13.21 | £12.17 | - £1.04 -7.9% decrease |
| | £14.65 | £11.98 | - £2.67 -18.2% decrease |
| | £12.00 | £12.00 | £0.00 -10.1% increase |
| | £16.00 | £16.00 | £0.00 -6.3% increase |
| | £9.00 | £9.00 | £0.00 -5.1% increase |
| | £10.35 | £10.35 | £0.00 -4.3% increase |
| | £18.50 | £12.00 | - £6.50 -11.4% decrease |
| | £14.19 | £12.00 | - £2.19 -12% decrease |
| | £10.99 | £13.99 | + £3.00 -7.9% increase |
| Calgon Hygiene Tabs Water Softener () | £6.91 | £6.74 | - £0.17 -2.5% decrease |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £6.00 | £6.00 | £0.00 No change |
| | £9.79 | £8.95 | - £0.84 -3.5% decrease |
| | £10.49 | £10.49 | £0.00 -2.5% increase |
| Calgon Hygiene Plus Washing Machine Water Softener () | £14.31 | £13.32 | - £0.99 -6.9% decrease |
| | £12.00 | £12.00 | £0.00 No change |
| | £15.50 | £15.50 | £0.00 No change |
| | £16.25 | £18.00 | + £1.75 4% increase |
| | £13.50 | £7.79 | - £5.71 -6.9% decrease |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £21.54 | £19.31 | - £2.23 -10.4% decrease |
| | £23.50 | £25.00 | + £1.50 6.4% increase |
| | £20.93 | £20.93 | £0.00 3.4% increase |
| | £20.18 | £11.99 | - £8.19 -10.4% decrease |
| Calgon Hygiene Tabs Water Softener () | £21.95 | £21.66 | - £0.29 -1.3% decrease |
| | £24.25 | £22.00 | - £2.25 -9.3% decrease |
| | £22.07 | £19.99 | - £2.08 -9.3% decrease |
| | £19.54 | £22.99 | + £3.45 -1.3% increase |
| Calgon 4 in 1 Washing Machine Cleaner Limescale Tablets () | £12.40 | £16.00 | + £3.60 29% increase |
| | £12.40 | £16.00 | + £3.60 29% increase |
