There is a standard hence the change in terminology.
http://www.pelletheat.org/assets/docs/pfi-standard-specification-november-2011.pdf
Last year less than .5% this year less than 1%
how many people will buy Hamers out of habit, to find they are not what they are used to?
They might still be the exact same pellet. 'Less than .5%' would still be 'less than 1%'.
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