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colorbond roof cleaning

Discussion in 'Styling & Decorating' started by DoubleD, 15th Jan, 2017.

  1. DoubleD

    DoubleD Well-Known Member

    Joined:
    21st Jun, 2015
    Posts:
    138
    Location:
    Perth
    Just cleaned the underside of my pergola which was covered with black algae. Spent 10 minutes doing one strip with a high pressure clean only 46 strips to go. Then I found this 30 second cleaning from Bunnings
    30 Seconds 5L Outdoor Cleaner Concentrate

    This stuff works like magic !! I sprayed it on with a pressure pack and the algae literally disappeared within 30 seconds.

    Highly recommend !! :D

    This photo is of the strip I pressure cleaned, I'll attach another one soon of the 30second cleaner section. IMG_0535.JPG
     
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  2. WestOz

    WestOz Well-Known Member

    Joined:
    19th Jun, 2015
    Posts:
    1,053
    Location:
    WestOz
    Not sure if that's the same exact product I compared to, however if u look on the bottom of the main front label it should show what the active ingredient is, which is likely the same as this product I purchased instead Hy-Clor 1L Super Algaecide used for swimming pools, however its ~40% more concentrated for = $.

    I mix what ratio I need with some dishwashing liquid so it holds/grips to surface, whether in spray or bucket for broom scrubbing (i.e. driveway, pavers etc).

    Can obviously also be used to get rid of algae in showers and roof tiles etc.
     
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  3. bob shovel

    bob shovel Well-Known Member

    Joined:
    18th Jun, 2015
    Posts:
    6,124
    Location:
    Penrith, NSW
    Do you also wash cars DD? bikini pics please :cool:
     
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  4. womble66

    womble66 Active Member

    Joined:
    18th Jun, 2015
    Posts:
    30
    Location:
    Illawarra NSW
    Unlikely ....

    Sodium Hypochloride 1-5% 7681-52-9
    Sodium Carbonate 1-5% 497-19-8
    Surfactant 1-2% Proprietary
    Corrosion inhibitor 0.5-1% Proprietary
    Non-hazardous ingredients To 100% (probably water)

    https://2ecffd01e1ab3e9383f0-07db7b...duct/97f9a84e-cc3a-4cfc-85b6-887afc71bc5c.pdf

    vs

    Benzalkonium Chloride <40% 68424-85-1
    Dye <0.1%
    Water To 100%

    http://hyclor.com.au/pdfs/Products/Manuals/MSDS SUPER ALGAECIDE.pdf

    I know which one I would be using on my colorbond and which one I would use in my pool :)
     
  5. DoubleD

    DoubleD Well-Known Member

    Joined:
    21st Jun, 2015
    Posts:
    138
    Location:
    Perth
    After pic
    IMG_0545.JPG
     
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