Product code: MACHI-POWER
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MAC Hi Power - Moss & Algae Cleaner

Moss Algae Cleaner (MAC) Hi-Power for preventing moss and removing biofilm such as algae, mould, lichen & bacteria from hard surfaces

£17.00 + VAT £20.40 inc VAT

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£17.00 + VAT £20.40 inc VAT

A concentrated cleaner specifically for removing biofilm such as algae, mould, lichen & bacteria. Prevents moss, algae and unsightly growth on hard surfaces.

Works on virtually all hard surfaces including: concrete, render, sandstone, tennis courts, artificial grass, paths and driveways, etc

Active ingredient: - 40% w/w DDAC (quarternary ammonium chloride)
Coverage: Treats from 200m2 to 1,025m2

Results can be expected, on average, between 7-28 days dependent on weather, bio-load and application.

Key points:

  • Suitable for many hard surfaces to clean off discolouration of algae, lichen, mould, etc
  • Use a pump sprayer or knapsack and thoroughly drench affected areas
  • Does not stain or discolour surfaces*
  • When used on porous surfaces, MAC Hi-Power may prevent the return of moss or algae for a significant period
  • Suitable for drives, patios, brick work and render, artificial grass, tarmac, concrete, poly tunnels, glass houses and other hard surfaces
  • Use MAC Hi-Power even in cooler weather however, best results are at temperatures above 8oC
  • Results may be affected if significant rain falls within 20-24 hours of application

Apply at a rate of 1 L of diluted product to 4 - 5 square metres of surface area depending on the porosity of the surface.


  • Do not spray grass - bleaching might result from accidental drift or overspray. Grass will recover after a period of time.
  • Do not use on lawns, plants or in aquatic areas.

*If in doubt always test an inconspicuous area before overall spraying

HSE no. 10341

Coverage 1L: 200 - 5L: 1,025 (m2)
Contains40% w/w DDAC (quarternary ammonium chloride)
Area of UseHard Surfaces

Hand-held Application Rate

Summer - low moss/algae load180 ml in 10 L water
Summer - high moss/algae load200 ml in 10 L water
Winter250 ml in 10 L water

Product Usage Calendar

*KEY - Green = suggested period of use

Safety Sheets (MSDS)

View FileMAC Hi Power Product Label    Size: (230.5 KB)
View FileMAC Hi Power Safety Sheet    Size: (227.84 KB)

MAC Hi Power is rated 4.00 stars by Progreen Weed Control Solutions customers based on 1 product reviews