Neptune Systems Double Junction Lab Grade pH Probe Hatch Substrate for long-lasting effects

for long-lasting effects

Extra deep aluminum reflector dome increases light

Filter Bag included

Exo Terra Water Dishes

This multi-purpose fixture fits a variety of screw-based bulbs including

Neptune Systems Double Junction Lab Grade pH Probe Hatch Substrate for long-lasting effectsDouble Junction Lab Grade pH Probe PRBPHDJ The pH probes are now double junction as well so they hold calibration longer and have a longer lifespan than single junction probes. What is the difference between single junction and double junction probes? Single junction probes put the reference electrode in direct contact with aquarium water. Over time, the junction will slowly leak aquarium water into the electrolyte which changes the accuracy of the