 I don't know that's really not so you know it doesn't make any difference it has all these other things in it and that's kind of up to you if you are a person who has had difficulty getting your rose flowers to hold their flowers their shape if you are a person who has had trouble getting bell peppers to hold their stiff cell walls you're somebody who will probably enjoy using Epsom salts because that's what it's for is to build cell walls and it does a good job of that