Hydrogen peroxide – the same stuff ... it’s very difficult and expensive to obtain peroxide in concentrations above 3% or so. That’s alright with [Charlie], though, because he’s come ...

You’re probably most familiar with 3% hydrogen peroxide ... as well as to make them last longer. Hydrogen peroxide is a ...

Combine equal amounts of water and 3% hydrogen peroxide and pour this into potting soil that is in a container with drainage holes. Make sure the mixture is fully blended into the soil ...