Excessively high and low pHs can be detrimental for the use of water. High pH causes a bitter taste, water pipes and water-using appliances become encrusted with deposits, and it depresses the effectiveness of the disinfection of chlorine, thereby causing the need for additional chlorine when pH is high.
Carver's records included the following sweet potato products: 73 dyes, 17 wood fillers, 14 candies, 5 library pastes, 5 breakfast foods, 4 starches, 4 flours, and 3 molasses. He also had listings for vinegars, dry coffee and instant coffee, candy, after-dinner mints, orange drops, and lemon drops.
1 He originally licensed this process to Pond Company, who makes Peter Pan peanut butter. In 1932, he started his own peanut butter company which he named Skippy.  Carver did not patent the vast majority of his inventions; in fact, he only patented three.