Does Alum Help Keep Pickles Crisp?
Does Alum Help Keep Pickles Crisp? Does alum help keep pickles crisp? Alum – at one time alum was added for crispness; however it is no longer recommended by the FDA and most modern, science-based recipes no longer include it. Scientifically, alum has little effect on quick-process pickles but may add firmness to fermented pickles