No Rain. I have a cottony and sticky substance on my desert spoon. It seems to be inhibiting the growth of the plant. When I spray it with a strong spray from the garden hose it washes off with some effort. Through my research I believe that it is one of the many varieties of scale insects.
Ketone is a chemical produced when there is a shortage of insulin in the blood and the body breaks down body fat for energy. Ketones in the urine is a sign that your body is using fat for energy instead of using glucose because not enough insulin is available to use glucose for energy.
Urine ketones are usually measured as a spot test. This is available in a test kit that you can buy at a drug store. The kit contains dipsticks coated with chemicals that react with ketone bodies. A dipstick is dipped in the urine sample. A color change indicates the presence of ketones. This article describes the ketone urine test that involves sending collected urine to a lab. A clean-catch urine sample is needed.