Kohler's Dekoda Clips onto the Toilet and Reads Health Signs

Kohler has created a health tracker that works from the toilet. The device, called Dekoda, can detect the presence of blood, according to Dezeen, the design website that reported it on 15 November 2026.

Dekoda was made through Kohler Health, a spin-off company. A spin-off is a new business split off from a larger one. Kohler, the US plumbing and bathroom maker, set up the venture to build the tracker.

The unit clips to the side of the toilet bowl. Inside, a camera and optical sensors point into the water. They use spectroscopy, a method that measures how materials absorb and reflect light, to check the quantity, colour and consistency of urine and stool.

According to Dezeen, the device can also identify haemoglobin, the protein in red blood cells that carries oxygen around the body. It does this with sensors developed at Kohler Health. Dezeen describes Dekoda as the first toilet-based health tracker capable of blood detection.

The tracker also offers insights on gut health, which refers to how the digestive system is working, and on hydration, meaning how much water the body holds. Users view those insights in the accompanying Kohler Health app on their phone.

Toilet-based monitoring is not an entirely new idea, but Dekoda puts several kinds of checks into one fixture in the home. For people who want to keep an eye on their digestion or their fluid levels without a clinic visit, the bathroom now has a sensor that reports back to a phone.

It is worth noting that a tool that reports on blood or gut health is one for the person using it to discuss with a doctor, not a substitute for one.