What do you use in your water?

  • 28/03/2014
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This is the most common question I get. For external glass surfaces which haven’t been washed for years, or which have a lot of debris such as bug droppings, I use a mixture of a detergent plus ammonia, otherwise just detergent. For internal surfaces, it’s usually window-cleaning detergent, unless the client/tenant has an allergy to
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