Example Tour of Stations - Saltwater Mixing Station

These are Version 2.  The new upgraded more water resistant version with the cord near the edge of the sensor. Whether for your ATO reservoir, to use as a sump-high alert, or for your long term water storage such as a brute container, these optical...

A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion software wizards for operations such as: 2-part dosing (Calcium and Alkalinity) Other additives dosing Automatic water...

This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...

This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar...

Prevent floods by adding the super-easy-to-install Flood Guardian to your RO or RO/DI System. Never worry about forgetting to turn off your RO/DI system or overfilling your reservoir again! Simply mount the magnetically-mounted sensor to any...

FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic, Apex Lite, Apex Jr.) via it’s AquaBus...

Eshopps’ Float Valve offers a simple solution to help maintain proper water level.Use the Eshopps’ Float Valve as part of an automatic top-off system you create to replenish aquarium water lost through evaporation. Adjustable acrylic mounting...

Float valves are used to shut off RODI water when a certian level is reached.

Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1/4″ tubing, connected to the FMM, and communicate to your Apex the flow rate of water...

IceCap Magnetic Mount Float Valve comes with universal tubing retainer and tubing

* 4-stage reverse osmosis deionization system with electronic controller * Features leak detection, 3-point TDS readout, timer operation & MORE! * Produces up to 99% pure water for enhanced aquarium water...

MaxPureMPDI 90-GPD 4-Stage RO/DI System w/ std 90gpd RO membrane, 1um pre-filters, color-indicating SilicaBuster DI cartridge, pressure gauge, & hose adapter SpectraPure 90gpd MaxPure RODI System incorporates a high-silicate removal TFC membrane, 1...

Now comes with Spectrapure's new Spectra SelectPlus 99% rejection membrane.  SpectraPure® 90gpd MAXCAP® RODI System w/ Manual Flush Valve incorporates a 90gpd high-silicate removal TFC membrane, 0.5 micron MicroTec™ Sediment and 0.5...

Automatic Shut-Off Float Kit w/ ASO Valve, Float Vae and 1/4in Fittings FEATURES: For use with RO and RODI System - Positive shut-off; completely shuts off all wastand product water Note: Auto Shut-Off Float Kit is not recommended for evaporation...

Everything you need to connect and maintain your standard size 10" RO system - If purchased separately over $40! Pack includes: (1) 1/4" Poly Tubing Cutte (1) Roll Teflon Pipe Thread Tape (1) RO Pressure Gauge w/Press-Fit Tee Connectors (1) RO...

MECoral Dosing Caps are designed specifically for the MECoral Gallon jugs.   The fitting accepts standard 1/4 inch RO rigid tubing (tubing not included). The same size used by most dosing pumps.  Cut a piece to fit inside the...

Now comes with Spectrapure's new Spectra SelectPlus 99% rejection membranes. SpectraPure 180gpd MaxCap RODI System w/ Manual Flush Valve incorporates two 90gpd high-silicate removal TFC membranes, 0.5 micron MicroTec Sediment and 0.5 micron Carbon Block...