API AQUASPIN simple, precise digital water testing device to make instore testing of customers water easy. This innovative digital photometer is ideal for testing the most important water parameters for fresh and saltwater aquariums and ponds. No measuring, shaking, or reading needed. Just add 3ml of water to be tested to proprietary disks, place in the meter and press the "run test" button and the rest is done for you. When connected to API AQUASPIN Advise the results and recommendation will appear on the computer screen in minutes and an email is sent to your customers, thanking them for visiting your stores with all water parameter results.