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£4.99Buster Bathroom Drain Unblocker 2 x 300ml
Availability: Out of stock · seller last confirmed 26 Oct 2026 · not shown in site search while out of stock
Buster Bathroom Drain Unblocker 2 x 300ml is a twin pack of concentrated liquid treatments for blocked or slow-draining showers, baths and bathroom basins. Each 300ml bottle provides one complete treatment that targets accumulated hair, soap scum and sludge, helping water flow freely through bathroom pipes.
Pack Contains
2 x 300ml bottles, providing two one-shot treatments and 600ml in total.
Key Features
Formulated for bathroom plugholes and waste pipes.
Targets hair, soap scum and sludge.
Suitable for showers, baths and bathroom basins.
Can be used for full blockages or slow-draining water.
Suitable for septic systems and British-standard pipe fittings.
Product Details
Brand: Buster
Product type: Bathroom drain unblocker
Format: Liquid
Pack size: 2 x 300ml
Total volume: 600ml
EAN: 5020042021530
Ingredients / Composition
Contains less than 5% chlorine-based bleaching agents, less than 5% non-ionic surfactants and less than 5% perfumes. Contains sodium hydroxide, sodium hypochlorite and sodium silicate.
Directions
Remove as much standing water as possible.
Carefully pour one complete 300ml bottle slowly down the plughole and wipe away any residue.
Leave for at least five minutes; for difficult blockages, leave overnight.
Flush through with plenty of hot water.
Warnings / Storage
Always read and follow the instructions on the product packaging.
Do not mix with other cleaning products, as dangerous chlorine gas may be released.
Wear suitable protective gloves and eye protection and avoid breathing vapour or spray.
Not recommended for toilets, kitchen plugholes, caravans or motorhomes.
Keep out of reach of children and store upright in a cool, dry, well-ventilated place.
Frequently Asked Questions
How many treatments are included?
There are two 300ml bottles, with each bottle providing one complete treatment.
Which drains can it be used in?
It is formulated for shower, bath and bathroom basin plugholes rather than kitchen sinks or toilets.
Is it suitable for septic systems?
Yes, the manufacturer states that Buster Bathroom Drain Unblocker is suitable for septic systems.
Keep this Buster twin pack ready for bathroom blockages and slow-draining plugholes. Its two individually bottled treatments provide a convenient solution for clearing common build-ups caused by hair, soap and sludge.
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