Chemicals and Safety
One of the most common questions I get asked is “is so-and-so chemical safe?” I think there are two reasons …
Dr Chemical Posts
How to Make Your Own Toothpaste
I came across the recipe for making your own toothpaste. The basic idea is sound, but I have a few …
How to Kill Cockroaches.
Cockroaches are pretty easy to kill. The reason simply is that they use their front legs to eat. That means …
A Neat Detergent Trick
Some time ago I described the nature of detergents, with particular emphasis on a neat demonstration you can do. Well, …
Know Your Enemy: Cockroaches #2
Where do cockroaches hang out and what are their habits? Well, firstly, although leaving food scraps lying around is a …
Know Your Enemy – Cockroaches
You know what it’s like – you’re doing something in your kitchen and suddenly out of the corner of your …
Mortein vs Baygon #2
..so Mortein was under threat from a product that produced a rapid kill for crawling insects. For the first time, …
Mortein vs Baygon
Mortein was the first fly spray on the Australian market. In fact, a little known piece of trivia is that …
Why Do Helium Balloons go Flat so Quickly?
When we blow up a balloon normally, they can stay inflated for a couple of days. But we all know …