Iron Sulphate Max Strength

From: £17.99 inc. Vat

  • Fast acting moss treatment
  • Iron sulphate & magnesium granules
  • Greens grass in 24-48 hours
  • Professional strength formula
  • Use all year (even in winter)
Iron Sulphate Max Strength is a fast acting moss treatment with added magnesium.

Iron Sulphate will cause intense green up of grass, can protect against lawn diseases, and works on any grass type.

Apply by hand or spreader

iron sulphate for lawns
Iron Sulphate Max Strength From: £17.99 inc. Vat
  • Free Delivery Friday, 2nd June
  • Saturday Delivery available at checkout
  • Over 35,000 UK Orders

Customer Reviews

Based on 7 reviews
Brian B.
Good product

Does what it says on the advert. Please to recommend

Phili L.
Iron Sulphate Max

Excellent Product, had a fantastic effect on both the Weeds and the colour of the Grass in general, would definitely use again.
Very Impressed.

Peter R.
Iron sulphate

Hi Matt, i have got a newbuild property and new lawn laid June last year, been in shade all winter and had moss in places. I applied iron sulphate in March and worked very well after scarification. Probably need to overseed now as there are bare patches Thanks Peter

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Iron Sulphate Lawns

This high strength iron sulphate and magnesium mix rapidly greens up grass and turn moss black

Turns Moss Black

Iron sulphate is scientifically proven as a highly effective moss killer.

It causes intense green up of grass, turns moss black and
stops it from growing.

iron sulphate for grass
iron sulphate for lawns

Greens Grass Fast

Iron Sulphate is a fast acting, high strength moss treatment with added magnesium that causes intense green up of grass and turns moss black.

This fast acting product starts working instantly as nutrients are released into the soil

Year Round Treatment

Iron sulphate max strength can be applied almost all year round to make your grass greener, stronger and healthier

Apply in spring / summer to quickly green up the lawn.

Applied in autumn / winter this product can help harden the turf and provide lush colour – even in cold temperatures

Grass that grows in cold weather

How to apply Iron Sulphate

  1. Cut the lawn
  2. Rake or scarify to remove moss and debris
  3. Apply iron sulphate by hand or spreader
  4. Water in

Works well with Spring/Summer, Autumn or Winter fertiliser

Apply 2-4 weeks before using grass seed

Contains Ferrous Sulphate – which can irritate skin and eyes. Harmful if swallowed.
Product will stain hard surfaces. Always read the label and product information before use.

Moss Overseed Bundle

Save 10% and revive your lawn with the Moss & Overseed Bundle

  • Iron Sulphate
  • Seed Start Fertiliser
  • Grass Seed
  • 10% Discount

Additional information

Use in: No selection

Spring, Summer, Autumn, Winter

Type: No selection