The AquaTop NO-VOLT Titanium Grounding Probe gives you a positive electrical ground for your aquatic systems. When properly installed, the NO-VOLT Grounding Probe will remove stray voltage generated by pumps, heaters, lights, and other electrical devices used by aquarium, live seafood tanks, ponds, etc. The NO-VOLT Grounding Probe protects you and removes unwanted stress from your aquatic friends.