A: If used as directed, no. But acid-based liquids can etch old or cracked porcelain over time. Conclusion A blocked toilet is stressful, but Screwfix offers reliable, fast-acting liquid unblockers to solve most organic clogs. Always prioritize safety: read the label, wear gloves, and never mix chemicals.
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Disclaimer: Always follow the manufacturer’s instructions. This post contains general guidance only. When in doubt, consult a professional plumber. A: If used as directed, no
A: Often yes, especially for 1-litre industrial sizes. Supermarkets sell smaller 250ml bottles at a higher price per ml. A: If used as directed