Neptune Systems Lab Grade ORP Probe – Accurate ORP Monitoring xodis Whether you're using float switches

Whether you're using float switches for sump alerts or ATO (Auto Top Off)

25 enhances biological processes and coral growth

Marco Dry Rock Boulders (40lb / 18kg box) are a top choice for aquascaping

Designed for use with ICP testing

Each outlet is equipped with independent power monitoring and individual LED indicators

Neptune Systems Lab Grade ORP Probe – Accurate ORP Monitoring xodis Whether you're using float switchesThe 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.