I bought Russian Tortoise seed mix from Carolina Pet Supply and some organic soil from Wal Mart. When I opened the bag of organic soil it has the white pellets in it. Than I read on the bag it has the following ingredients, sphagnum peat moss, horticultural vermiculite, perlite & organic wetting agent. I want to use the soil to plant the RT grass seed mix in to put in Boris's cage for him to eat but don't think it's as organic as it needs to be. Any thoughts from any one?