The Coral Box WF-04 Dosing Pump is the perfect solution for any reef keeper looking for an accurate, easy to program dosing pump! The WF-04 is built with a rugged aluminum housing with upgraded dosing heads for improved performance. Each unit comes with built in wifi, and works with a smartphone app right out of the box. That’s right- now you can easily program your dosing pump from your phone! Each pump includes and instruction manual, tubing, a graduated cylinder for calibration, tubing, and mounting screws and tubing holders- basically everything you need to dose except the liquid! The Coral Box WiFi dosing pump is a smart doser- all you have to do is calibrate it, then set which hours you want it to come on, and how much you want it to dose each day, and it will automatically spread the dose out over each hourly interval. Check out our guide video for more info on programming the pump: https://youtu.be/70eTm0Yz3Qo Each dosing pump is covered by our full 12 month warranty out of RI, so when you buy with us you buy with confidence. These dosers are based on the original DP-4 design which has worked excellently for years. Some major improvements and upgrades have been added as well, including heavier duty motors, tubing, and dosing heads, so you can be sure they are rock solid and built to last. Setup Notes and troubleshooting: Output lines must have check valves installed on the ends. Output must be higher than level of dosing chemicals. Tubing must fully cover connectors Press and hold reset button for 8 seconds if you encounter wifi connectivity issues. Contact reefbreeders for more detailed troubleshooting instructions.