It is a problem - differentiating between high tolerance and good kratom, but some of us have tools to differentiate. I abstain from commenting on the batches until I'm sure that I'm not judging by tolerance. I'm one of those that keep saying that a lot of european vendors have bad kratom, and for the last few months I've been saying that one of the best eu vendors imo is EUkratom (for greens)... so you judging that eu has quality kratom by lowering your daily dose and using one of the best k