Electronic sensor device for monitoring of pool, and hot tub conditions, including water chemistry, water health, water levels, and temperature; computer hardware device for monitoring of pool, and hot tub conditions, including water chemistry, water health, water levels, and temperature; downloadable software for remote and local monitoring of pool, and hot tub conditions, including water chemistry, water health, water levels, and temperature; the foregoing only for use in residential environments
Electrical and Scientific Apparatus