Gum stuck to clothes. Boil vinegar, and pour on gum. Use a brush to wipe off. Gum will come off instantly. Or just buy a bottle of oxy clean spray (blue bottle) and spray of it. Spray, rub alittle and throw it in the wash
You can test your own soil! Take two separate cups and add your soil sample to each. In one add vinegar and the other add some water, stir and add baking soda. If nothing at all happens your soil is some what PH balanced.