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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

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

Replies

  • PRO
    Nick @ NM Garden Services Ltd May 1, 2013 at 9:53pm
    We have a Kranzle pressure washer. It runs at 11 litres per minute at 150bar. Will strip wood off decking and paint off of cars. Black spot does shift with this machine!
  • Simon Smith May 1, 2013 at 10:54pm

    Hypochlorite is very effective if used carefully

  • David Harris May 2, 2013 at 7:24pm

    Where do you buy that powerful machine from? Do you have a link?

    Cheers

    garden fencing North London

  • PRO
    Nick @ NM Garden Services Ltd May 2, 2013 at 8:08pm

    http://www.kranzle.co.uk/0701.html
    David Harris said:

    Where do you buy that powerful machine from? Do you have a link?

    Cheers

    garden fencing North London

  • Sue Woollard-White May 2, 2013 at 9:39pm

    Thanks for the reply

  • David Tabberner May 4, 2013 at 3:52pm

    I've had good results on black algae on patios using Brintons MMC Pro. (Brintons Patio Magic is basically the same, just not as concentrated). Apply with a knapsack sprayer = a lot less hassle than pressure washing - and a tad quicker.

  • fraz May 4, 2013 at 11:50pm
    In my experience once lichens have got in to Indian stone they are impossible to shift completely even with a 250bar, (3600psi) jet washer with a turbo nozzle.
  • Simon Smith May 5, 2013 at 11:08am

    Lichens are easy to shift from indian sandstone with a diluted hypochlorite mixture. Powerwashing is good for overall grime but lichens need chemical treatment.

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