Lab Grade Double Junction ORP Probe temperature nitrite in the aquarium will

nitrite in the aquarium will prevent fish from carrying on normal respiration

Add manually or use a dosing pump to add the same amount

cleaning your filter

rather than AquaFX traditional solid aluminum bracket

Lab Grade Double Junction ORP Probe temperature nitrite in the aquarium willDouble Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog, shortening the lifespan of the probe. Longer lasting Reliable readings Quality connections BNC style connector *Calibration solutions sold