Quote Originally Posted by OrchidAddict View Post
Geoff, could you give us an example of what a "proper horticultural wetting agent" is? I'm not quite sure what that is. I have always gone by the "dish soap" method, but I've been very careful to buy all-natural soap that doesn't contain any added stuff like anti-bacterial ingredients or perfumes and such. But it's next to impossible to find PURE soap any more, and you're right... many have glycerin in them. Do you have a preferred "horticultural wetting agent" that you could recommend?
Any garden center should have some kind of a surfactant like Spreader Sticker or something similar.