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MMC Pro Moss Killer 5L

Availability: In stock

Covers Up To 350m2 Per Container

  • Buy 4 for £18.50 (£22.20 inc VAT) each and save 6%
£23.39 Inc VAT £19.49 Ex VAT
Accepted payment methods

Product Description

MMC® Pro is the easiest and most effective way to treat and prevent mould, algae and grime on all hard surfaces. There is no need to scrub or pressure wash, just dilute and apply. This product typically works in 2-4 days (depending on weather) and then continues to prevent re-growth for the following weeks & months.

As MMC® Pro is made up of a dynamic combination of anti-bacterial disinfectant it is the perfect product for all hard surface cleaning jobs. It is suitable for use on all exterior hard surfaces including concrete, roofs, patios, wood, tennis courts, glass, plastic and block paving. MMC® Pro is approved for use with weed killers such as glyphosate and is also very safe to use as it is readily biodegradable and does not contain any bleach or acids.

We have an alternative brand called 'Sapphire' which covers 4 times the area of MMC & works out cheaper. View it here.

Want to kill weeds & moss in one treatment? Try a fully organic product called Natural Weed Spray

**In recent years, products which killed moss on hard surfaces have been classified in the UK as “biocides” and have been approved and controlled under the UK’s biocides regulations. Now, due to recent changes, products that kill moss on hard surfaces have been re-classified by the EC as herbicides. Due to this, we are unable to claim that this product will control moss; In spite of the fact that the product formulation has not changed since when it was used to control moss with very good results**

Key Benefits: 

- Easy and effective way to treat and prevent mould, algae and grime on hard surfaces. 

- Simply dilute and apply. 

- Readily biodegradable. 

- Does not contain bleach or acids. 

- Works efficiently- typically 2-4 days. 

- Prevents re-growth for an extended period of time. 

- High m2 coverage.

Our Recommendation: 

- Always read the product label before use. 

- The best time to treat moss is in the autumn and spring. 

- Any dead growth that has not been removed by the elements can be lightly brushed away 2-4 months after treatment. 

- Apply when surfaces are dry, and when no rain is expected in the following 3-4 hours.

- Looking for a cheaper option? Take a look at Sapphire

Brand MMC Pro
Active Ingredient Didecyldimethyl-ammonium chloride Propan 2-olAlcohols
LERAP Category Does Not Apply
Pack Size 5L
Pack Size Coverage 175m2 - 350m2 depending on dose rate
Knapsack Sprayer Rate 1L per 4L of water (Strong) or 1L per 9L of water (weak)
Boom Sprayer Rate 10L per 40L of water (strong) or 10L per 90L of water (weak)
Application Method(s) Boom Sprayer, Knapsack
Treats (Pest/Weed/Disease) Algae, Moss, Mould
Area of Use Artificial Surfaces, Hard Surfaces
Period Of Use All Year Round
MPN Does Not Apply
GTIN 5060077690042

Application Rates


Recommended Period of Use
Jan Feb
Mar Apr May
Jun Jul Aug Sep Oct Nov Dec
 leaf leaf leaf leaf leaf       leaf  leaf leaf leaf
leaf = Optimum time for application


Recommended Dilution Rates
Dilution Rate
Control Offered
1 part MMC to 4 parts water
Moss & heavy algae/grime/mould
1 part MMC to 9 parts water
Light algae/grime/mould


Our Recommendation

- For best results apply at the higher rate with plenty of water on a dry & sunny day

- Mix in Blue Dye to ensure no areas are missed

- Use this product to remove black grime or mould from natural stone paving slabs


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