Neptune Systems Lab Grade ORP Probe – Accurate ORP Monitoring neptune tester Ideal for modern aquarium setups

Ideal for modern aquarium setups

Includes Silence Magnet Holder for glass thickness up to 12 mm (½”)

Backed by scientific research and over a decade of reefkeeping expertise

North American adapters provided for compatibility

Lab-grade double-junction probes for accurate temperature and pH monitoring

Neptune Systems Lab Grade ORP Probe – Accurate ORP Monitoring neptune tester Ideal for modern aquarium setupsThe Neptune Systems Lab Grade ORP Probe is designed to deliver precise and reliable oxidation reduction potential (ORP) readings for your aquarium. ORP measures your systems ability to oxidize and is especially important for aquarists using ozone, where accurate ORP monitoring is critical for safety and effectiveness. This probe is not to be confused with dissolved oxygen probes, as it serves a completely different and essential monitoring purpose.