Captive Purity 4-Stage Deluxe RO/DI System - Fully Loaded


Premium Member
$558 Value - will sell full package for $250

I've had this unit producing water for my 200gal system and for drinking and have always been very happy with it.

Captive Purity 75 GPD Deluxe RO/DI Filter System
Retail: $225

Captive Purity represents the highest quality in reverse osmosis technology. Captive Purity Reverse Osmosis Systems meet stringent standards and far exceeds the quality of systems from other manufacturers. A wide variety of options ranging from economy 2-stage units to top of the line 4-stage RO/DI units are available to suit your exact needs. Drinking water systems and custom installation solutions are available. Captive Purity Reverse Osmosis Systems are engineered and manufactured under strict guidelines to produce extremely pure water with exceptional focus on minimizing phosphates and silicates. This is a very important feature for reef aquariums.
Remove over 98% of all ionic impurities.
Remove over 95-96% of organic impurities.
Remove colloidal and particulate impurities.
Remove micro-organisms and pyrogens.
Remove chlorine, chloramines, pesticides, etc.
All systems include a non-corrosive 3/4" plastic garden hose adapter (non-brass).
4-stage Deluxe RO/DI System Features:
1 micron sediment prefilter.
5 micron carbon prefilter.
High flow and rejection TFC membrane.
Includes non-corrosive 3/4" plastic garden hose adapter (non-brass).
Color Change DI cartridge for easy monitoring and maintenance
Clear Canisters

All systems include a non-corrosive 3/4" plastic garden hose adapter (non-brass).

Note: A flush valve can significantly enhance the life of TFC membrane by flushing out any harmful impurity from the membrane.

Aquatec RO Pump
Retail: $210

Kent Marine Float Valve Kit
Retail: $53

The FVKITKENT allows an RO to fill a reservoir to a desired level, then shut down water production completely. This kit works from pressure only, no electricity. Included within this kit is a pressure solenoid, float valve (part # FVKENT), check valve, a 1/8" elbow, a male 1/8" x 1/8" connector and 1 foot each of blue and orange tubing.

HM Digital In-line Dual TDS Meter
Retail: $40

The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and outlet water and helps you to determine when the cartridges need to be replaced. It is a great addition to any RO or RO/DI unit.

Highly efficient and accurate due to its advanced microprocessor technology.
Displays TDS levels of the Feed Water and Product Water with in & out electrode probes.
Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
Dual Rangeâ€"Measures from 0 ~ 999ppm, with a resolution of 1ppm.
Factory Calibratedâ€"Recalibration is not necessary.
Comes equipped with John Guest Quick-Connect T-fittings as shown.
Installs quickly and easily.

Pressure Gauge Kit
Retail: $16

Add to existing systems for easy monitoring & troubleshooting of your RO, RO/DI or drinking water systems
No more guessing about plugged pre-filters
Kit includes Pressure gauge and 1/8" Tee fitting.

Reverse Osmosis System Flush Valve Kit
Retail: $14