A vital tool for facilitating water softener maintenance the salt meter. It helps avoid problems caused by low salt, like inadequate water softening and possible appliance damage from hard water, by regularly checking the salt levels in the brine tank. With the help of sensors, this technology measures the total amount of salt in your tank and it can give you updates for when you need to refill your tank and based on prior usage it can give you future estimates of when you want to refill your tank. This can be especially beneficial for senior citizens as it ensures that their water quality is high, without the drawbacks of forcing them to remembering to continuously check their salt tank. The low cost microcontroller and 3D printed parts ensure for minimal cost to the buyer as well as a high quality instrument.