DOS: REPLACEMENT HEAD CAPThe Neptune DS Replacement Head assembly comes with everything to replace the current fluid metering head on your DS system. Over time the self lubricating tubing will start to age, and can also cause excess resistance and unnecessary wear on the motor. What's Included? 1x Head Housing 1x Roller Assembly 1x Tubing Assembly

Choice of measurement units displayed in parts per thousand (ppt)

phosphorus ULR reagent starter kit for 6 tests (6 powder reagent packets)

Galvanic Isolation for accurate and reliable probe readings

The FMM (Fluid Monitoring Module) is a multi-purpose module that

Simply plug in up to four of our new

DC24 TO BARE WIRE CABLE - 3M (10 FT)

Suitable for glass up to 15mm

It measures in sufficient accurate steps of 30 mg/L with a sharp color change

It will also feed on (and help control) algae growing in the aquarium

and unparalleled personality

It is aggressive towards other tangs

Contains all major