[Description Reviews Ask a Question Delivery. Easy to use Hydra Trend urine test strips provide feedback about an individual's hydration status. The Hydra Trend urine test strip kit. A urine specific gravity test compares the density of urine to water. This quick test can help determine how efficiently your kidneys are diluting your urine. A Simple Hydration Test: Find Out If You Are Drinking Enough or Too Much Water Ronald Grisanti D.C., D.A.B.C.O., D.A.C.B.N., M.S. There is a simple test anyone can do to determine if they are getting too much or too little water.