Lab Grade Double Junction pH Probe - Neptune Systems Elegance not simply a mixture of

not simply a mixture of freshwater algae or ground up vegetables

Reusable and resistant to corrosion

Extruded Pelletized Carbon

the SK-3000 Automatic Filter System will leave your tank with brilliantly clean water which will help increase your lighting penetration

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Lab Grade Double Junction pH Probe - Neptune Systems Elegance not simply a mixture ofNeptune Double 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 Neptune's Double Junction