| 6 Products | Jun 2025 | Jun 2026 | Change |
| Calgon 4-in-1 Washing Machine Water Softener Limescale Protection Gel (750ml) | £6.87 | £6.50 | - £0.37 -5.4% 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 |
| | £5.00 | £5.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| | £9.99 | £6.99 | - £3.00 -6.2% decrease |
| | £6.49 | £6.49 | £0.00 -5.4% increase |
| Calgon 4-in-1 Washing Machine Cleaner Tablets () | £12.31 | £13.05 | + £0.74 6% increase |
| | £11.89 | £15.98 | + £4.09 34.4% increase |
| | £12.00 | £12.00 | £0.00 17.1% increase |
| | £16.00 | £16.00 | £0.00 10.2% increase |
| | £9.00 | £9.00 | £0.00 8.4% increase |
| | £10.35 | £10.35 | £0.00 6.9% increase |
| | £16.00 | £21.00 | + £5.00 12.1% increase |
| | £10.96 | £6.99 | - £3.97 6% decrease |
| Calgon Hygiene Tabs Water Softener () | £5.80 | £5.91 | + £0.11 1.9% 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 |
| | £8.95 | £9.39 | + £0.44 1.9% increase |
| Calgon 4-in-1 Washing Machine Water Softener Tablets () | £22.97 | £16.74 | - £6.23 -27.1% decrease |
| | £25.00 | £18.00 | - £7.00 -28% decrease |
| | £20.93 | £15.48 | - £5.45 -27.1% decrease |
| Calgon Hygiene Tabs Water Softener () | £21.99 | £20.25 | - £1.74 -7.9% decrease |
| | £23.00 | £25.50 | + £2.50 10.9% increase |
| | £20.97 | £14.99 | - £5.98 -7.9% 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 |
