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 !! This photo is of the strip I pressure cleaned, I'll attach another one soon of the 30second cleaner section.
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.
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
Hi, As a long standing external cleaner, 30 seconds is a watered down version of pool chlorine. Sodium hypochlorite is far more useful to clean with. Cheap as, pool chlorine is generally 13.5% so can be watered down to 1 - 2 % and with a good surfactant does a fantastic job of what is pictured.