I just bought 2 tons of pellets from Home Depot. I believe thqt the brand was American Fiber, but the brand doesn't really matter. I burned the first 4 bags with no issues. The 5th bag was clumpy, with wet pellets and clumps at one end. I usually pour a bag of pellets into 2 five gallon buckets to carry into the house. I set the BAD pellets aside. The pellets were delivered on an open flatbed truck, with the plastic bags wrapped in plastic. The driver off loaded the pellets directly into my leak-free pole building. I'm willing to eat the loss of a 1/2 bag of pellets, but not so if I find more of the same. Has anyone had a simular experience ?