Aquascape IonGen System Replacement Probe G2Replacement Probe for the IonGen System G2. The probe contains two prongs made from a proprietary blend of metallic compounds, and connects to the control panel using a quick connector fitting (includes a 5 ft quick connect cable). The probe receives signals from the IonGen electronic control panel (not included) to release a calculated mixture of copper, silver, and zinc ions into the path of flowing water. These positive ions help reduce the