I've had some issues with the MG seed starter, mostly because it takes forever to dry and I don't use it often enough to get real familiar with it's characteristics. I have also found that sometimes the amount of fertilizer in it is inconsistent, I prefer the Black Gold, just becaue it's a little easier to work with and drains better. Occasionally, if I'm out of starter mix I just use FFOF for starting seeds, no issues there either.