One Shot Drain Cleaner

One Shot Drain Cleaner is the ultimate solution for clearing blockages in your drains, with its instant and effective formula that does the job in just one shot.

Being the original and most effective drain cleaner in the UK, One Shot has been sold throughout the country for over 35 years, and has earned the trust of generations of people who rely on it to save money and keep their drains flowing smoothly.

When poured into a clogged or blocked drain, One Shot instant drain cleaner goes to work instantly, dissolving grease, rags, soap, and paper towels.

Unlike other drain cleaners that only provide temporary relief, One Shot is designed to keep your drains clear and odour-free for an extended period of time, saving you money and reducing the need for frequent cleaning.

But can you buy One Shot Drain Cleaner directly?

Answer is NO.

Regulations have added sulphuric acid to the list of substances regulated by The Poison Act 1972. This Act: (a) will mean that products containing Sulphuric Acid 15% concentration or more as of the 1st July 2018 will no longer be permitted to be sold to the GENERAL PUBLIC unless they hold an EPP licence.

Check Similar Products on Amazon That are Safe for use

The Ingredients

One Shot Drain Cleaner ingredient is Sulphuric Acid 91%

How to Apply?

Using One Shot Drain Cleaner is easy. Simply remove as much water as possible from the drain, sink, or toilet to be treated.

Very slowly pour Oneshot drain cleaner directly into the drain, using about 125ml initially for sink drains, or 250ml for toilets and floor drains.

Allow to stand for 5 minutes, then add 150ml cold water and allow to stand for another 5 minutes before flushing. Repeat if necessary.

For best results, use One Shot instant cleaner as a preventative measure by adding 100ml per month in each drain, early in the morning.

Is it Safe for use?

One Shot Cleaner is safe for use on all types of pipes, including PVC, copper, and cast iron, and is environmentally friendly, making it a great choice for those who are conscious about the impact of their cleaning products on the planet.

It is important to use protective gloves and glasses before opening the bottle, and to note that One Shot should not be used on a macerator/Saniflo system or if other chemicals have been used first (such as bleach or soda crystals).

Checkout Safety Data Sheet

One Shot Drain Cleaner comes in a 1-litre bottle, providing you with enough solution to tackle even the toughest blockages.

FAQs – Frequently Asked Questions

Q: Is One Shot drain cleaner dangerous?

A: If ingested, this substance can cause chemical burns in the mouth and throat, leading to stomach pain or vomiting. Additionally, skin contact with the substance can result in serious chemical burns and discoloration of the skin.

Q: How long can you leave one shot in drain?

A: To ensure the best results when using One Shot Drain Unblocker, it is important to pour the solution very slowly and directly into the drain. For sink drains, start with 125ml of One Shot and allow it to stand for 5 minutes. Then, carefully add 150ml of cold water and let it sit for another 5 minutes before flushing.

Q: Can you put 1 shot down a toilet?

A: Yes. Suitable for use in drains, sinks and toilets.

Q: Can I use One Shot in a septic tank?

A: Yes, it is safe to use in septic tanks. Its powerful formula is designed to dissolve blockages and debris, without harming your septic system.

Q: Can I use One Shot on a macerator/Saniflo system?

A: No, it should not be used on a macerator or Saniflo system. These systems require specialized products that are designed to work specifically with their unique components.

Q: Can I use One Shot if I have used other chemicals first (bleach, soda crystals, etc)?

A: No, One Shot Instant Cleaner should not be used if other chemicals have been used first. Combining different chemicals can be dangerous and may cause harmful reactions.

Q: Is it safe for the environment?

A: Yes, it is environmentally friendly and safe for use on all types of pipes, including PVC, copper, and cast iron. Its powerful formula is designed to dissolve blockages and debris, without harming the environment.

Q: How often should I use One Shot instant Cleaner?

A: For best results, use One Shot as a preventative measure by adding 100ml per month in each drain, early in the morning. This will help keep your drains clear and odour-free, reducing the need for expensive professional plumbing services.

About Mosabbir

As the Executive Director of Smart Housekeeping's Home Care and Cleaning department, Mosabbir brings over 12 years of experience as a consumer products expert to the table. He utilises his advanced analytical skills and writing expertise in appliances, cleaning, and housekeeping products to provide valuable cleaning and home care advice for SH. Mosabbir also holds a Masters degree in business management, which enables him to oversee the department efficiently while producing insightful content for the company.

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