parmesan cheese containter lids will fit on mason jars! How about keeping baking soda by the sink for a mildly abrasive cleanser. Or flour near where you kneed your bread - just sprinkle on the counter.
Put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda plus one teaspoon of hydrogen peroxide, and half a teaspoon water. Thoroughly mix then brush your teeth for two minutes. Remember to do it once a week until you have reached the results you want. Once your teeth are good and white, limit yourself to using the whitening treatment once every month or two.