Stray voltage in aquarium water is more common than most fishkeepers realise and is incredibly dangerous. Electrical devices such as pumps, heaters and lights can emit low-level electromagnetic radiation that gradually builds up in your aquarium water, creating discharges of stray voltage that stress fish, affect their behaviour and in serious cases can deliver electric shocks to both your fish and you. The Aqua One Grounding Probe is a simple, effective device designed to eliminate this risk entirely, making your aquarium safer for your fish, your family and yourself.
Do I really need a grounding probe?
In all our years in the hobby and industry, electrical issues in aquariums are genuinely rare, the vast majority of fishkeepers will never experience one. That said, one of our team can personally attest that when it does happen, it’s quite the wake-up call (some might even call it a shock 😉 )! Since then, we’ve always recommended a grounding probe as a simple peace-of-mind addition to any tank. All aquarium electrical products are designed and tested for safe use in the hobby. This is just that extra layer of reassurance that costs very little and sits quietly doing its job in the background.
The Aqua One Grounding Probe works in two important ways:
| Stray Voltage Dissipation | The probe sits submerged in your aquarium water and continuously dissipates the electromagnetic energy emitted by pumps, heaters and lights, preventing it from building up to harmful levels. This protects your fish from the chronic stress that stray voltage causes even at low levels. |
| Fault Current Protection | When connected to a power outlet fitted with a safety switch (GFCI or RCD), the grounding probe will immediately trip the circuit if dangerous leaking current from a faulty or damaged submersed electrical device enters the water, cutting the power before it can cause harm to fish or humans. |
| Stray Voltage Elimination | Safely dissipates electromagnetic radiation emitted by aquarium pumps, heaters and lights before it can build up in the water column. |
| Fault Current Protection | Grounds leaking current from damaged submersed electrical devices, triggering your safety switch (RCD/GFCI) to cut power immediately. |
| Electric Shock Prevention | Protects both your fish and anyone handling the aquarium from the risk of electric shock. |
| 4 Metre Cable | Generous cable length provides flexibility in positioning — suitable for larger tanks or aquariums positioned away from power outlets. |
A grounding probe is recommended for any aquarium running multiple electrical devices simultaneously. It is particularly important in the following situations:
Have questions about aquarium electrical safety or stray voltage in your tank? We’re happy to help.
Get in touch for free expert advice anytime.
⚠️ Heads-up: If you suspect a faulty electrical device in your aquarium, do not place your hands in the water. Switch off and unplug all electrical devices at the wall first, then investigate. If you are experiencing repeated RCD trips, have your aquarium electrical setup inspected by a licensed electrician.
$19.95
$8.95
