"They are replaceable. Some one I knew just had it replaced last week for $35. But I would buy a used rod and scab off of it. Just unscrew the bottom level screws completely out and put in a new or used one. That one is broken and is getting air…"
"They do become completely inert. We have two dead. I have looked fairly extensively for replacements and have not found anything. Please let us know if you find anything. Otherwise it's recycle and purchase a new data collector."