1.dampness at one time" trash ,and start over" I have tried everything to save the powder.Nothing i found works.Candies seem to be the ones it happens to mostly".I left the lid off for days w/ a small fan airing it,put it in a de humidifier,spread it out to dry natural.Best to start over.May have come that way too?!it happens.

2.Too much powder in the res.