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BIOKIL.  |  SKU: BIO-380

ACS Mould Wash Concentrate

Regular price £12.82

Customer Services

Got a query? Call 0330 055 8210

We're open from 8am to 5pm, Monday to Thursday, and 8am to 4:30pm on Friday.

Delivery and Shipping

Delivery is £12.50 + VAT to UK Mainland. Orders over £100.00 + VAT qualify for free delivery, except for certain products—these will be clearly shown at checkout.

Orders placed by 3pm (stock permitting) are dispatched the same working day on a next working day service (not guaranteed).

Some areas, like Northern Scotland, may take 2–3 working days.

Deliveries outside the UK Mainland are charged at cost—please contact us.

We're open:
Mon–Thurs: 8am–5pm
Friday: 8am–4:30pm

Call us: 0330 055 8210

ACS Mould Wash Concentrate – mould removal and pre-treatment wash

A concentrated wash that removes unsightly black mould and helps prevent re-growth. Formulated as a pre-treatment before BIOKIL. Anti-Mould Emulsion, BIOKIL. Anti-Con Coating or any other paint. Mould is not only unsightly – it can also affect health, so treating it properly before redecorating matters.

Key benefits

  • Removes black mould and helps prevent re-growth
  • Economical – a 250ml bottle makes 5 litres of ready-to-use wash
  • Easy application by sponge, cloth or brush
  • Also works as a "wetting in" agent for wallpaper removal

How to use

  1. Wear PVC/nitrile gloves and goggles.
  2. Remove loose material – old paint, grease, dirt, mould and damaged wallpaper. Make good defects and sand smooth.
  3. Dilute 1 part concentrate to 19 parts water by volume.
  4. Wash all surfaces – walls, ceilings, window frames and joinery – and allow to dry. Apply a second wash to heavily soiled areas.
  5. Finish with BIOKIL. Anti-Mould Emulsion or Anti-Con Coating.

Drying time: typically 1–4 hours. Coverage: approx. 6–8m² per litre of diluted wash, depending on porosity and texture.

Store above 5°C. HSE No. 7676-GB. Use biocides safely – always read the label and product information before use.

Frequently asked questions

How do I dilute ACS Mould Wash Concentrate?
1 part concentrate to 19 parts water by volume. One 250ml bottle makes 5 litres of ready-to-use wash.

How far does it go?
About 6–8m² per litre of diluted wash, depending on the porosity and texture of the surface.

How do I apply it?
Wear PVC or nitrile gloves and goggles. Apply with a sponge, cloth or brush to walls, ceilings, window frames and joinery, and let it dry. Give heavily soiled areas a second wash.

How long does it take to dry?
Usually 1–4 hours, depending on conditions.

Can I use it to remove wallpaper?
Yes. Diluted, it can be used as a "wetting in" agent for wallpaper removal.

Download the ACS Mould Wash Concentrate technical data sheet (PDF)

Download the Mould Wash Concentrate safety data sheet (PDF)

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