Oh it's the worst, and so disheartening.

https://www.amazon.com/dp/B00KHY3U9W?psc=1&ref=ppx_yo2ov_dt_b_product_details

I got it off amazon. As well as this silicon: https://www.amazon.com/dp/B0002BBX3U?psc=1&ref=ppx_yo2ov_dt_b_product_details

I still have to be careful where I clamp the lid down, but at least it stays sealed.