Dear Mr. Gouran,

That your question isn't in my scientific knowledge!

Yours

let me see,

I know but never tell u...

Hi

Mr. Gouran

See this article (Rojas-AreHchiga et al. 200. Cactus seed germination: a review).

I think it's very useful .

Farzad

Since drainage is an issue use of cocopeat or vermiculite is a good option, you can use media in proportion soil : vermicompost : cocopeat (2:1:1).