I know i can do it, but does anyone do it and have any experience with it and does it really creosote your chimney up more? I am thinking of starting a hot fire engageing the cats and say throwing in a few pieces of pine the whole time the cats are engaged to cut the creosote way down, dont really want to start an all pine fire as the cats are not engaged at all. To start fires i usually use lighter pine and finly split oak to get it hot then oak splits till hot enough to engage cats. Im thinking getting to this stage and throwing pine in then quickly reengaging the cats so that most of the creosote it burned off. This will get me quick heat fast in the afternoon before i load it up with wood for a 12 hour burn. Any experience with this and southern yellow pine? I see a bunch of you all burning softwood out west and north, like hemlock and fir and such. Will this shorten the life of my cats as there may be more to burn off? I have a High Valley 2500. Which is a Catalytic model stove with a 3.5cuft firebox. Yea im new here, i love this site, found here after i avoided the links from other sites till i could not take it anymore. I have cut wood for family for 10+ years id say and been burning wood at my home for 3+ years just last year getting my insert. So this is my second season and i am hooked, hoarding wood and trying to get all i can.