Found mold. Dump or keep - Pic Below

Love

I pumped 6 oz from one boob. It wasn’t till I was almost done that I noticed. it wasn’t inside of any of the bottle parts that comes in contact with the milk but it was the part that suctions they air. I’m not sure if I should keep the milk or dump it. I just never got 6oz so I’m bummed. & I was trying to build up stock so LO can go with her dad.