*A forestry study showing that seedling survival rate can be increased by as much as 70% when using these type of crystals.
http://www.hydrosource.com/clpbbs07.htm

*A general listing of several studies on the use of absorbing crystals for irrigation and soil erosion control.
http://kimberly.ars.usda.gov/pampage.shtml

*A college study on its water holding ability
http://www.cahe.nmsu.edu/news/1999/042299_MULCH.html

Great for all type of soil!

Water Crystals Work