The Aquascape IonGen System G2 - Electronic Clarifier for Ponds and Pondless Waterfall Systems. Controls both free-floating and string algae! The IonGen is a water clarifier solution for ponds, Pondless Waterfalls, and other decorative water features.The IonGen drastically reduces pond maintenance and provides crystal clear water without the use of chemicals>
You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.
