Hey guys. Was trying to get perlite today for my cacti and succulents but these were the only options. Is this the same thing or similar? Pic related reads "perlchalk" or "pearl chalk" says to have magnesium.
In link bellow, this just reads stone chalk.
>https://cdn.discordapp.com/attachments/661616785925210148/710519807455264868/JPEG_20200514_175159.jpgDo i get one of them for my succulents and cacti or skip?