The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...

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Price Range:
$69.99 to $119.99

Captive Purity 35 GPD Compact RO

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 option...

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Our Price: $98.99

Item Code: CP1111

Captive Purity 60 GPD Piggy Back Kit

This easy to install Piggy Back kit can be added to your 50-60GPD RO or RO/DI unit to double its output.

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$67.99 to $119.99

Captive Purity Deluxe RO Filter System

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$149.99 to $209.99

Captive Purity Hi-Silicate Removal TFC Replacement Membrane

The key component for any reverse osmosis unit is its membrane. The membrane will determine the type of contaminants removed and how much water the unit will produce. Our Captive Purity Hi-S (High Silicate) membranes are the gold ...

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$39.99 to $64.99

Portable pH Pen/Meter

This handy pH pen/meter is a great tool for any aquarist. It is extremely easy to use and is waterproof. Simply dip the meter in the solution to get the pH reading. Its high accuracy and resolution also make it suitable even for t...

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Our Price: $64.99

Item Code: CP2131

Duo-ORpH Controller (Probe not Included)

Dual monitoring of pH and ORP with a large LED display and control of either pH or ORP. Highly accurate. Digital pH-ORP controller with large size LED display for easy reading. High input impedance avoid measuri...

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Our Price: $149.99

Item Code: CP2311

Canopy Light Reflector

24" Electro-White Aluminum Reflector. 24" long, 9.25" wide with a 2" flare on each side. Please note this item requires special handling and packaging so additional shipping charges will apply.

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TFC Membrane

TFC membrane for 25 GPD RO or RO/DI systems Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement...

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$54.99 to $94.99

Add-on DI Filter with Color Change Cartridge

In-Line DI Cartridge Helps to remove nitrate, silicate and phosphates and other impurities Affordable add-on DI cartridge to any RO system using 1/4" RO tubing Includes a clear canister, color-change DI cartridg...

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Our Price: $64.00

Item Code: RO1335

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March 06, 2010
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March 05, 2010
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March 01, 2010
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