The Best Laundry Tip I've Never Heard Of - It Saved My White Laundry!

This is off topic today, but I couldn't help myself.Let's talk about dirty laundry.  You may know that anti-perspirant can cause some nasty discoloration on clothing.  Yep.  Does anyone have a pile of whites that are just old & ratty due to this problem?  I do.  ICK.I have used natural deodorant in the past, which does not cause this problem & is a heck of a lot healthier.  My all-time favorite