Here are some of the advantages that Rain Bird Irrigation Supplement has over Polymer water crystals.
| Rain Bird Irrigation Supplement |
Polymers |
| …is water that disperses at a consistent rate for an extended period of time. |
…need water to perform. Polymers extend the watering cycle by a few days but once dry, are useless unless you water again. |
| …is predictable, disperses moisture over a predetermined period of time. Not affected by climatic conditions. |
…are unpredictable. Wind, high temperature or other factors can accelerate the release of moisture. |
| …is natural, only food grade ingredients, safe around children and pets, and environmentally friendly. |
…are a petroleum based product and therefore have some degree of toxicity. |
| …is ideal for regular watering or for establishment. Roots do not grow into the Rain Bird Irrigation Supplement. |
…may actually compete with the plant for moisture if allowed to dry out. Roots may also grow into the saturated polymer. |
| …stays where you place it, either on the surface or under the soil. |
…work their way toward the soil surface with each watering, eventually eliminating any positive benefit. |
| …won’t over water, stops dispersing moisture when the soil becomes very wet. Won’t contribute to root problems. |
…holds water at the roots during extended wet weather which can cause root problems. |
Downes Wholesale Nursery pty ltd 
