Where To Find Water Retaining Crystals

Question From: Arroyo Grande, California, United States
Q: Where can I buy the Zeba Quench water retaining crystals that are made from cornstarch? Is it OK to use for growing organic vegetables?

A: Not familiar with that brand Maryellen. There are many types at Amazon.com or you can Google it for info and a source. Best And Happy Yardening, Nancy