Product Code: RNE98980
The Neptune Systems DOS Multi-Purpose Dosing & Fluid Metering System is a multi-purpose dosing and fluid delivery system of uncompromising quality. Use with the Apex, Apex Lite, or Apex Jr. (& Apex Fusion software wizards) for many applications.

Product Code: RSP30005
The SpectraPure Ultra-Precise Level Controller holds your tank’s salinity constant while adding calcium or other nutrients in small doses. The UPLCT has a precise control within 0.50". The pump used in the UPLCT is the same pump that is in the LiterMeter III, the leader in aquatic dosing for over 10 years.

Product Code: RAB20709
The Aqua Medic ReefDoser Evo 4 Dosing Pump can independently control the four dosing pumps included in the package. The dispensing of the food or additive can be achieved either manually or automatically; all pumps can be calibrated individually. The interval control allows for adjustment of the duration of the on/off cycle for each pump over a broad time span, from seconds to days.

Product Code: RMI07202
The Milwaukee Instruments MC720 Dosing Pump Kit combines the Milwaukee Instruments MC122 pH Controller and Milwaukee Instruments MP810 Dosing Pump to provide fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The small and precise flow of the peristaltic pump allows you to maintain ideal pH values in your tank.

Product Code: RSP30000
SpectraPure Multiple Tank Liquid Replenishers are the most advanced means of controlling liquid levels on single or multiple reservoirs and are ideal for replenishing evaporated water in aquariums or liquids in other constant level containers. A sensitive air pressure switch opens a solenoid valve when the liquid level drops approximately 1" and closes it when the liquid level rises back to its original level.

Product Code: RCV47286
The Smart ATO Automatic Top Off System is a unique auto top off system with a patent pending contactless digital sensor that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. This ATO comes integrated with AFS (Auto Feedback Security) technology which provides real-time fail safe protection against failure. You simply move the outside controller to adjust your sump to a desired water level. Its that easy.

Product Code: RCV21176
The AutoAqua Smart ATO Micro Automatic Top Off System is a unique auto top off system that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. This ATO comes integrated with QST (Quick SecurityTechnology) which provides real-time fail safe protection against failure. You simply move the optical sensor to adjust the desired water level within your sump.

Product Code: RIC60650
The IceCap ATO is a well thought out automated system with a fail-safe design that uses two (2) optical sensors to monitor the fluid level of your aquarium or sump. The second optical sensor provides real-time protection against failure of the first sensor. Best of all, it is very easy to install and contains no moving parts that can fail.

Product Code: RAB20345
The Aqua Medic SP3000 Dosing Pump is an economic peristaltic pump for pumping small volumes of water.

Product Code: RSP30001
The SpectraPure Liquid Level Controllers are the most advanced means of controlling liquid levels on single reservoirs, and are ideal for replenishing evaporate water in aquariums or liquids in other constant level containers. An onboard air pressure activated electrical switch opens a solenoid valve when the liquid level drops approximately 1" and closes it when the liquid level rises back to its original level.

Product Code: RHY01043
Hydor Smart Level Control is the new versatile fully electronic water level controller designed by Hydor. The Smart Level safely and easily handles the aquarium and sump water level due to evaporation. Designed to be used in the many different conditions that exist in the marine and freshwater aquarium environment. Smart Level technology reduces the problems related to lime scale deposits, bacterial film, and wave action, which ensures the continuous, safe, and regular functioning of the Smart Level Control.

Product Code: RJB37001
The JBJ Auto Top Off (A.T.O.) Water Level Controller is a professional grade product that automates refilling evaporated water. The All-New A.T.O (Auto Top Off) device is the most advanced water level controller system on the market.