V3 KE, printing issues

Hello, please, loot at photo.

I was printing very nice in a black filament. I changed for this blue, then, these problems has started.

A friend said me it was the flow. I tryed to increase the flow until 1,35%. No sucess.

Other friend said me: This problem is Z axis adjustment. I tryed to adjust and again, no sucess.

Can someone give me a good advice, how to solve this problem?

Thanks.