One Shot Instant Drain Cleaner - 1 Litre

You save: £255
(£1614 Including VAT)

For Trade / Professional use only.

Please read the following important legislation update. Failure to provide the required information will mean we are unable to supply any regulated chemicals to you until the information is received.

From 1st October 2023 the British regulation regarding the control of explosives precursors and poisons will enter into force. These regulations extend to England, Wales and Scotland and will become part of the Poisons Act 1972. The regulation extends the list of substances included and distinguishes between regulated and reportable substances.


In order to sell regulated chemicals we are required to complete a customer statement every 18 months (per customer) to verify the legitimacy of the business/customer that is purchasing any regulated poisons and/or explosives precursors. For our business this affects this product.

We must also comply with the new legislation requirements, the law requires us to collect the following information about the business we are selling to. This is outlined below, and will be requested by email once we have received your order: 

  • Business name and address 
  • Photographic ID of an authorised person in the business 
  • Statement of their trade, business or profession 
  • VAT number (if VAT registered) 

This product is currently only available in BH, SO and DT postcodes.

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Instant drain cleaner.  When poured into a clogged drain liquid ONE SHOT instant drain cleaner goes to work instantly.  Dissolves grease, rags, soap, and paper towels.  Destroys in minutes substances like grease, rags, cooking fat, paper towels, organic matter, soap, hair scale and sanitary towels. Naturally neutralised when mixed with water.

For best result use early in the morning.
Do not use where other chemicals are present, particularly caustic or hydrochlorite bleach.

How To Use One Shot Drain Cleaner:

  1. You MUST use protective gloves and glasses before opening the bottle.
  2. Using a cup, remove as much water as possible from the drain, sink or toilet to be treated.
  3. Very slowly pour One Shot Drain Cleaner directly into the drain.
  4. Sink drains: Use about 125ml initially.
  5. Allow to stand for 5 minutes.
  6. Add 150ml cold water and allow to stand for 5 minutes then flush.
  7. Repeat if necessary.
  8. Toilet and floor drain: Use about 250 ml and follow directions as above.
  9. As a preventative measure: Add 100ml of One Shot per month in each drain. For best results use early in the morning.


Data Sheet (ONE-SHOT-Data-Sheet.pdf, 184 Kb) [Download]

Customer information sheet (ONE-SHOT-customer-Sheet.pdf, 103 Kb) [Download]

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