can i use this with a septic tank?

I don't have a septic tank but I do have a "Biodisc" digester instead of mains sewerage. I've used Duo four or five times over about the same number of years and it has not caused any problems. It also does the job far better than anything else 've ever tried.

Can use this for the toilet? Would it damage the white ceramic bowl?

Good afternoon, Please be informed that HG "duo unblocker" must not come in contact with the ceramic bowl. It must be pourred carefully in the drain, to avoid any damage of the surface. However in case of a toilet we can not guarantee that the blockage will be solved. The blockage could be too far away or the product will be diluted too much by the water in the toilet drain. Trusting that we have informed you sufficiently, with kind regards, HG consumerservice

is this suitable for outdoor drains?

Good morning, Please be informed that this product is not suitable for outdoor drains. We do not have an alternative product in our product range which can be at your assistance. Trusting that we have informed you sufficiently, with kind regards, HG consumerservice

Can this be used in a washing machine? to help clear hair blockage?

No, this is not suitable for use in a washing machine or dishwasher. We would suggest using HG Service Engineer which is designed for use with washing machines and dishwashers.

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🚿 Clear drains, clear mind — unblock like a pro!

VERSATILE FOR EVERY DRAIN - Perfect for kitchen sinks, bathroom pipes, showers, and utility areas—one solution for all your drains.
CONQUER STUBBORN BLOCKAGES - Specially formulated to dissolve oil, food debris, soap scum, and hair with lightning-fast results.
PROFESSIONAL GRADE AT HOME - Trusted HG brand quality ensures industrial strength cleaning power in a convenient 1-litre pack.
SPLASH FREE STRESS FREE USE - No foaming or splashing means a clean, safe application every time—no mess, no fuss.
UNLEASH THE POWER OF DUAL ACTION - Two 500ml bottles with unique 2-component technology for maximum clog-busting efficiency.

HG Duo Unblocker is a powerful 1-litre drain cleaner featuring a unique dual-component formula designed to rapidly dissolve tough blockages caused by oil, food, hair, and soap scum. Safe for all drain types and splash-free, it’s ideal for kitchen sinks, bathroom pipes, and utility areas, delivering professional-grade cleaning power in an easy-to-use, no-mess solution.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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€ 54.57

Duties & taxes incl.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Product Name	HG DUO UNBLOCKER 1 LITRE
Weight	1.4 Kilograms
Volume	1000 Millilitres
Units	1 count
Storage Instructions	Transport and store the box upright. Always store the bottles in a cool dark place in an upright position.
Manufacturer contact	Unit 2 Lanswood Park Colchester Co7 7Fd
Brand	HG

HG Duo Unblocker, Powerful Drain Cleaner, for Kitchen Sink or Bathroom Pipes - 2 x 500 ml

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