Contaminated?

Hell, I have not had good luck with my last 3 grows, all getting contaminated in the bin. This is in a bag. Mycelium looked amazing, mixed with substrate yesterday and today it looks like this. Temp is 75°..is this a goner?

Hell, I have not had good luck with my last 3 grows, all getting contaminated in the bin. This is in a bag. Mycelium looked amazing, mixed with substrate yesterday and today it looks like this. Temp is 75°..is this a goner?