Service for sulfur smell, customer has noticed a sulfur smell. Customer would like to start with shocking the well and then see if the smell comes back they would like us to take a sample and send to the lab. Shocked the well using chlorine tablets. Let the well sit for about an hour and then flushed the water through the hose until we could smell chlorine. After that we ran the fixtures until we could smell chlorine at the faucets. Let the plumbing sit for another 30 minutes and then flushed the system again. There is still a little chlorine left in the system and we recommend that it set for a while. Also set the treatment systems to all regenerate tonight. Advised the customer to keep track of the water usage and to see when and if the sulfur smell comes back. If it doesn’t come back they might be ok and the sulfur bacteria in the well was killed. If it does come back we will have to come take a sample and take it to the lab. Because this means the water that is replenishing the