I guess I'll just use the gram in a gallon of water. I suppose that's diluted enough. Hm, with my luck at germinating cactus seeds, that'd probably etiolate and kill the whole batch of seedlings.

Ah well, I might as well give it a shot. What I don't use, I will spray on the dead patches on my lawn. :)

While I don't know the right proportions of Gibberellic acid to use, I do know that you may be able to coerce your cactus seeds to germinate with the effects of GA using electricity applied to the soil in which it grows.

That's shocking!
It sounds very unusual and interesting, and I'll have to look into it.
Thank you!

I just found that most users will add one gram of GA per one liter of water, but some just halve the gram. So, I think just treating half of the batch of seeds in a gram per a gallon for a day or two might be safe enough.