I started a new batch of Muscadine wine tonight. I purchased my dextrose from a wine and beer supply store, It was bulk and they bagged up what I asked for. As I started dissolving it tonght I noticed small wood chips or flakes floating in the water. I used a scsreen to get it out. Is this normal? I've only ever used dextrose one time before and it was pre-packaged. I am planning on calling the store tomorrow and asking but hate to look foolish if this is normal from bulk dextrose, so I thought i would take the chance to look foolish here.