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  • Peter sellers May 22, 2026 at 7:09am

    Use pro kleen liquid iron 2.5lts diluted in a 12 lt knapsack sprayer, soak the moss. Leave for 7 days, then scarify at least twice in different directions. Then apply the liquid iron again and scarify again. The likelihood is that if it is as bad as you say it will need overseeding , plenty of videos on you tube to show you how. Forget mo bacter or no more rake they don't work well

    • Brian's Garden Maintenance > Peter sellers May 22, 2026 at 6:17pm

      Hi Peter

      Thank you for the advice, which was a great help. 

      Would I need a sprayer license for this product? Also, how long before I should give it a second spray, please?

      Thanks again

      Regards

      Brian

       

      • Peter sellers > Brian's Garden Maintenance May 22, 2026 at 6:51pm

        Brian, I would not worry about the licence! Second application of iron couple of days after the first scarify. Forgot the jobs easier if you mow low immediately before the first scarification as it collects a lot of the debri and makes scarifying easier. Go for it !!

        • Brian's Garden Maintenance > Peter sellers May 22, 2026 at 7:13pm

          Hi Peter

          Thanks for the help. Yes, I'm cutting it a bit lower, which helps a lot:-)

          Thanks again for all your help.

          Have a great weekend.

          Regards

          Brian

           

  • Lawnman May 23, 2026 at 2:22pm

    Buy cheap knapsack sprayer from somewhere like Screwfix or Toolstation. Buy a bag of ferrous sulphate, any good garden centre will have in stock. Spray lawn at 5 grams a metre, dilution rate with water is 10 litres per 100 metres. So if your lawn is 100 metres then 500 grams of ferrous sulphate diluted in 10 litres of water will do the job. You do not need spraying qualifications as not classed as a weedkiller, it's what is known in the trade as a turf hardener. Wait a week , moss should have died and gone black, mow the lawn then scarify to remove dead moss. Depending on how much moss was present may need overseeding and top dressing to fill in bare patches. But don't get carried away when scarifying and it should still look like a passable lawn. Then apply spring /summer fertiliser and couple of weeks should be much healthier lawn. 

    • Brian's Garden Maintenance > Lawnman May 23, 2026 at 4:57pm

      Thank you, Lawman, for your help. That's great

       

    • PRO
      Adam Woods > Lawnman May 26, 2026 at 3:35pm

      I'd add to that make sure the client waters the life out of it - if they havent got one set them up with a good sprinkler that covers the whole area and set it on a timer for about 2 hours a day - at night.

      • Brian's Garden Maintenance > Adam Woods June 4, 2026 at 11:26am

        Hi Adam

        Thanks for that advice. I'm going to do it now in Setember hopeful may be a better time to do it? 

         

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