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The Bathroom
The smallest room in the house and the hardest working. Damp, limescale and bad ventilation undo good products fast. We read what each maker publishes about its chemistry, check the hazard labelling on the pack, and say plainly where a claim has no test behind it.
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Comparison · 6 compared
Six descalers read label by label. Every one of them is an acid, several will dull a chrome tap or a plated shower arm, and not a single pack tells you so.
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Comparison
Five of the six are the same bleach at different strengths, and £1.17 of supermarket thin bleach is the same active for a fifth of the price.
Mrs House · 12 August 2026
Comparison
Five of the six are acidic enough to strip plating off a tap and none of them says so. Also, never near bleach, and here is what actually happens if you do.
Mrs House · 26 August 2026
Comparison
Two of the six will not publish a GSM, including one costing £26. One publishes a certificate number. And bamboo is not a permitted fibre name in UK law.
Mrs House · 9 September 2026
Comparison
EN 1276 requires 99.999 per cent. The 74p own brand is the only one of six naming a standard, a contact time and the organisms.
Mrs House · 9 September 2026
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Cleaning the bathroom
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