APEX 1/4" FLOW SENSOR PH probe It is therefore recommended that

It is therefore recommended that the hobbyist measure and control the levels of calcium

Mixture of readily available and time-released iron

Liquid nitrogen fertilizer for planted aquariums

Also suitable for catching shrimps or crabs

APEX 1/4" FLOW SENSOR PH probe It is therefore recommended thatKnow Your Flow! 1 4" Flow Sensor for the Fluid Metering Module from Neptune. The FS 25 will work with flow rates from 3 12 gph, and will connect to any standard 1 4" push connect tubing. Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe or tubing. The FS 25 comes with 1 4" push connect tubing that will work with