It is important to use rockwool for growing plants.
http://www.canna-uk.com/characteristics_of_rockwool

Beautiful photos.

Yes it works great.It is important to buy rockwool for growing plants.Because it has other properties than mineral wool for building purposes.
http://www.canna-uk.com/characteristics_of_rockwool

https://lambda44.rajce.idnes.cz/Growing ... n_rockwool./
Here you can see the results of my cultivation this year.
I also posted part of my collection in this album, now I have limited space for cacti.
Growing cactus is a way for my.Not a profit goal for me.
God bless you

I use only hypermangan solution to disinfect cactus seeds.Using a fungicide when sowing into a rockwool is an unnecessary investment. the use of artificial light is only important if we want to grow cacti in a short day in areas where the winter is long .for adult cacti, artificial light is unnatura...

Thank you for very interesting information. In the past period I was getting information from facebook. I do not use fb now. I have been communicating with friends from South America about the life of a cactus. I understand that mountain cactus species need the fresh air of the sun which is not very...

https://cactiguide.com/cactus/?genus=Te ... rticulatus
https://www.cactus-art.biz/schede/TEPHR ... anthus.htm

I am from the Czech Republic and I tested this method this year.
I have photos but I have to find a way to share them.
My English is not perfect.
I think this is a great way to grow aztekium ritteri.

Very nice.