Neptune Systems Double Junction pH Probe – Longer Lasting maxspect psu this product ensures balanced water

this product ensures balanced water chemistry and supports natural biological processes

this valve is compatible with standard 1/4″ tubing

Made from natural calcium carbonate rock with purple coralline coloring

Ceramic shaft for long-term reliability

It is compatible with automated dosing systems

Neptune Systems Double Junction pH Probe – Longer Lasting maxspect psu this product ensures balanced waterThe Neptune Systems Double Junction pH Probe is designed to deliver reliable, long lasting performance for your aquarium system. Unlike traditional lab grade probes, the double junction design isolates the reference gel and probe from proteins and other organics, reducing the risk of clogging and extending the probe's lifespan. This allows you to go longer between calibrations and reduces the frequency of replacements, saving you time and money. With