Salt Chlorine Generators Can Cause Corrosion with the inline anode you can protect your pool equipment and keep your pool safe. There are many things that can cause corrosion of the metals in your pool so keeping proper water chemistry is essential. Unfortunately, corrosion can still occur even if your water is balanced properly, luckily there are things you can do to prevent it. Adding a Sacrificial Anode is one of the easiest ways to protect your pool -Sacrificial inline anode is easily plumbed into any in-ground, above ground pool or spa system. Prevents corrosion of heating elements or heat exchange. Especially helpful in salt chlorinated pools and spas to prevent corrosion. An inexpensive way to double or triple the life of any metal parts that exist in an aquatic environment. Anode comes complete inserted into 2 inch pipe with screw type ground wire connection.