Can I use old nutes in DWC?

Hey everyone.

I have a jug of Botanicare Pure Blend Bloom nutes I bought over a year ago. I have used about 1/4 of the 1 qt jug.

Is it still okay to use? I read once a long time ago, not to use old nutes due to oxidation, but I'm not sure.

What are your thoughts?

Thanks.

The last time someone asked that, I suggested they call the company. The company said that if the fertilizer didn't smell unusually bad then it was probably still ok to use.