Neptune Apex Probe Module 1 Controllers & Monitors It grows to 9

It grows to 9

but may knock over lose decor with their strong tails

RJ45 connector on one end for Apex

and reef keepers who feed refrigerated coral foods frequently

both valved casing blocks and the intake filter to help restore proper airflow and dependable continuous operation

Neptune Apex Probe Module 1 Controllers & Monitors It grows to 9Neptune Apex Probe Module 1 The Neptune Apex Probe Module 1 expands a compatible Apex system with an additional pH or ORP probe port, an extra temperature port, six digital inputs, AquaBus expansion, and full Apex data logging. PM1 Expansion for pH or ORP Monitoring The PM1 is a practical Apex expansion module for aquariums that need another pH or ORP monitoring point. It is commonly used for calcium reactors, kalkwasser monitoring, secondary pH