#4. Water crystals are made from granular, super absorbent polymer. Sometimes referred to as hydrogels or polymer crystals, these small granules absorb and store water - up to 400 times its original d

By Janet Marinelli and Niall Dunne on August 1, 2002 Improve potting mixes. For your container plants, consider incorporating hydrogels into the potting soil. These water-retaining polymers hold s

Eva Monheim Hydrogels (or "gelled water") like Soil Moist™ can help keep roots moist after planting and between waterings. © 2006-2012 Preferred Commerce. All Rights Reserved.