I have used Firemaster, Premiun both are British Columbia and La Crete from northern Alberta. La Crete is outstanding, hardly any dust or sawdust. Premiun is a close second. The Firemaster brand is not as good. It is full of sawdust. I will be glad once I'm finished with it. It is sold on the prairies throught HD and Rona. All are softwood based. La Crete uses spruce. The other two are pine based. The industry standards are suspect because all three are rated premiun. There is a very wide gap between La Crete and Firemaster.