Posting One Shot Instant Drain Cleaner — 1 Litre
UK EPP-regulated · professional & business use · 18+
The original and best drain cleaner — trusted across the UK for over 43 years. Order direct and pay less.
UK EPP-regulated product, 18+. Existing customers order via your usual link.
The drain cleaner the trade asks for by name
One Shot Drain Cleaner instantly unblocks drains in just one shot. It's the original and best drain cleaner available in the UK, sold throughout the country for over 43 years. Tried, tested and trusted, the One Shot brand has been used by generations to save money and keep drains flowing.
When poured into a clogged or blocked drain, One Shot goes to work instantly, dissolving grease, rags, soap and paper towels. Use it as a preventative maintenance product on a regular monthly basis and you won't need expensive professional plumbing services.
How to use One Shot
Using a cup, remove as much water as possible from the drain, sink or toilet to be treated.
Very slowly pour One Shot Drain Cleaner directly into the drain.
Sink drains: use about 125ml initially.
Allow to stand for 5 minutes.
Add 150ml cold water, allow to stand for 5 minutes, then flush.
Repeat if necessary.
Toilet & floor drains: use about 250ml and follow the directions as above.
Preventative: add 100ml per month in each drain. For best results, use early in the morning.