In fact, it is now the same thing. So you can use the Clay Soil Conditioner in lieu of Aquatic Plant Soil with the same successful results. I just wanted to add that the clay soil conditioner and the aquatic plant soil products are almost identical. The web site has lots of information about all of these products. The base clay minerals are different.
Profile seems to be sold by a few other companies as well.
The metals analysis which I have seen was done on the Shultz product.