How to get antipersperant stains off
One of the most common questions I get asked is how to get yellow underarm stains off from antisperperant. The …
Chemistry at Home
What’s the best cockroach killer?
A common mistake that people make with any type of bug or insect is that to assume that the only …
How to Stop Mirrors Fogging Up
Yesterday I made my latest appearance on today tonight. I had a lot of fun but inevitably with these type …
How to get Cooking Oil Stains Out of a Cotton Shirt
Today on 720 ABC Jane Marwick asked Dr Karl how to get cooking oil stains out of a cotton shirt. …
Read moreHow to get Cooking Oil Stains Out of a Cotton Shirt
How to get your carpets REALLY clean
There are several good products for spot cleaning carpets, but what if the day comes when you need it done …
Are home products flammable?
From time to time I get asked whether any home products that we buy are a fire risk, particularly products …
A Handy Prewash
Prewashes aren’t what they used to be. The old Preen aerosol was based on 1,1,1-trichloroethane, the solvent used in dry …
What Causes Bad Smells?
On 720 ABC today the topic of discussion was “what’s the worst thing you have spilled in your car?” It …
Engine Coolants #1: Ethylene Glycol
That green stuff that you put in your radiator is ethylene glycol. The idea behind it is that it doesn’t …