About the Landscape Juice Network

Founded in 2008. The Landscape Juice Network (LJN) is the largest and fastest growing professional landscaping and horticultural association in the United Kingdom.

LJN's professional business forum is unrivalled and open to anyone within within the UK landscape industry

LJN's Business Objectives Group (BOG) is for any Pro serious about building their business.

For the researching visitor there's a wealth of landscaping ideas, garden design ideas, lawn advice tips and advice about garden maintenance.


  • PRO

    Well I have learnt something from that Gary, I did not know about soaking the line before use to make it less brittle.

    • PRO

      It’s an old trick & got discussed many moons ago on LJN. Leaving strimming cord in hot vans for days/week’s causes problems. I’ll try to find the discussion and bump up ....

  • Nylone line can't absorb water and how would cold water help anyway. Hot water might have an affect but only through the heat, surely. Given that most of us use the strimmer every day and that the line is already in the head, it would not be in any way practicle to soak line for 24 hours.

    I use the Stihl 3mm square line. It hardly wears away at all. My assistant can strim an entire churchyard [after I have done all the machine work] and he wll only need to let new line out possibly once, whilst mowing around gravestones. That's how tough it is.

    Twenty years ago I was given an old strimmer and some line. They were both about twenty years old at the time. For the the last four years I have used this nearly forty year old line as washing line as the old normal washing line broke and I needed a quick replacement. It's been there for four years or so and is unbreakable.Perhaps it's the rain that keeps it so strong!

    • PRO

      Now this can answer as i worked with many differing types of polymer extrusion for 20 plus years before doing what I do now. Nylon does absorb moisture as it is hydroscopic and the water absorption affects the chains in the polymer making them shorted or longer and thus changes the characteristics of the nylon. I just never thought of doing it with the stihl line.

    • I know its hard to believe but if you research it, nylon will actually absorb water. Never tried soaking the stuff in water though................. it seems to work pretty well without it.


      • PRO

        Stihl blog from 2015 discusses this issue :

        Modern types of Line seem to become brittle/hard if left continually in a hot van and one solution is to keep it wet - however achieved.

        It seems well documented by many so have no reason to discount the scenario.

        How to make mowing lines last longer
        Whether you are a professional or a private user, wherever your lawnmower reaches its limits, clearing saws and brushcutters make an ideal choice. We…
  • Never experienced what I felt was brittle line in ten years... potentially just not a problem that exists. 

    • I agree. I have been using a strimmer commercially since 1985, so 34 years. I have seen and used many brands and many types of line over those years. Different diameters and profiles such as star line, square, line with an inner core and different outer layer and of course basic round line. I have never experienced brittle strimmer line. Many years ago a friend had a large roll of line which was quite old by the time he gave it to me. It had been stored in a stone farm building so was not exposed to heat. This line had developed or gained a powder on it, but it worked quite normally and was not in any way brittle.

  • i used to keep a cord drum in the van until lately and did find it broke faster when used. now keep in the garage and pull enough cord off it everyday. once this summer I tried to find a tube of grease for the strimmer head but found the bottom of the tool box swimming in grease as I had not screwed the cap. checked temp inside the rear of the van it was 50+C. hot enuff for fuel to evaporate from carbs in a short time between use. on the south coast, it’s a lot warmer and drier on average than ‘up norf’ - might explain it.


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