3.8 is in the range of wheat ales (though on the very low end). IIRC the “tartness” faded some and the beer ended up being ok. I wish I kept better notes on it.
I had a Diacetyl bomb last brew and the tartness this time.
I am working on getting rid of all plastic in my brewery except my no chill HDPE containers. I have good sanitation, and pretty certain it isn’t infection.
Some internet research shows that other people besides us have ran into this flavor using this strain of yeast