Neptune ATK: Automatic Top-Off KitThe Neptune ATK System comes with everything you will need to get an automatic top off system up and running within minutes. The ATK can be used on its own without the necessity of an Apex Controller, but if you have an Apex, the ATK will integrate seamlessly into your system and give you bonus features. The FMM module is the brain of the operation and has an indicating LED light along with an audible tone letting you know when anything goes wrong.

and 2x magnesium tests per day

Reverse osmosis booster pumps are used to increase the pressure going into your RO or RO/DI system which make it operate more efficiently and can decrease consumption of DI resin

this small herbivore prefers to feed on nuisance hair algae

Retention rate 95-98 %

We recommend the following phosphate concentrations in the aquarium:

The color change is sharp and facilitates the detection of small but highly significant fluctuations in the calcium concentration

Control the Feed Mode - shut off return pump and skimmer to properly circulate food without it going into the sump

A 125 gallon or larger aquarium with plenty of live rock for hiding places and moderately aggressive

ash maximum 20

Included Fish GuardThe fish guard offers more safety to slow-swimming and curious inhabitants

This is the light from 400 to 700 nano-meters that organisms are able to use for photosynthesis – this includes the zooxanthellae algae that lives inside your corals

making it available on demand