From the image above, there are no more rows, nucleating agents on the bottom row section nucleating agents will be found to fill the nucleating agents has been rapid, and crystal formation is equally.
From the top row without added nucleating agents of the bottom row is populated nucleating agents are found in the fill, crystalline nucleating agents has grown rapidly. And have the same size
From the pictures, the top row without adding nucleating agents the row below the filling nucleating agents will find that filling in the nucleating agents. A costly crystals up rapidly and the size of the same.