I don't know if it's better than what you have but I just find it really works well for me and it's easy to clean up. I find pace flux is a little harder to work with where the liquid just drips right on there and you're good.
https://www.amazon.com/gp/aw/d/B07KY4D1MP?psc=1&ref=ppx_pop_mob_b_asin_title