Neptune Systems LDK - Leak Detection KitNeptune Systems LDK Leak Detection Kit Detects leaks on contact Instantly alerts you via your mobile device Monitor for leaks in up to four locations Includes two leak detection probes Remaining two ports can be used for more leak detection probes or other optional sensors and accessories Installs in less than 5 minutes! No programming required! CATCH THE DRIP,BEFORE THE DISASTER! Aquarium leaks are one of the most feared events for even the most