Hello everyone. Been reading these forums alot for the last year or two finally decided to join. I have a question....we have been running our 30nc Englander for a few months now burning tamarack and spruce as that's all that's readily available here. Common flue temperatures are 600to 700 degrees, stovetop temps usually around 650°. I recently went and looked inside of our T at the outside of our house took a picture through the bottom cleanout cap and this is what it looked like........ It's very loose if I even blow in there with my lungs all that stuff comes free and moves around what is it? And do I need to worry about it?
![PXL_20221104_133054071.jpg PXL_20221104_133054071.jpg](https://www.hearth.com/talk/data/attachments/302/302053-62b7c2c3b775dcac7fc680c595f50344.jpg)
![PXL_20221104_133054071.jpg PXL_20221104_133054071.jpg](https://www.hearth.com/talk/data/attachments/302/302053-62b7c2c3b775dcac7fc680c595f50344.jpg)