Top Gardening Soils, We would recommend you with Educational Insights Sprout And Grow Wonder Soil (5100).

Wonder Soil is an amazing new soil that is nutrient enriched and polymer fortified.

The lightweight mini wafers absorb water quickly and easily.

Just add water, and the wafers immediately begin to expand 10 to 15 times their size!
The essential nutrients in Wonder Soil are undeniable, as roots begin to grow vigorously and young plants sprout within days.

This water-absorbent soil requires half as much watering as other soils, and keeps growing plants from drying out.

Plants grown in Wonder Soil grow rapidly, with large foliage and bright green colors.

Each bag includes 50 mini wafers.