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Vertex 3.0 Liter Zeovit Filter

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Saltwater Aquarium Supplies

Calibration Solution

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Portable pH Pen/Meter pH 4.0 Buffer/Calibration... pH 7.0 Buffer/Calibration...

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Captive Purity Testing Equipment for Saltwater Aquariums

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$Captive Purity Refractometer$

Captive Purity Refractometer

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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refractometer | hydrometer | refractometers | refract

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$69.99 to $119.99

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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ph meter | ph | flow meter | ph pen

Our Price: $64.99

Item Code: CP2131

pH 4.0 Buffer/Calibration Solution 500 ml

Calibration solution for pH monitors or controllers. pH 4.0. 500mL.

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ph calibration | calibration | calibration solution | buffer solution

Our Price: $11.99

Item Code: CP2133

pH 7.0 Buffer/Calibration Solution 500 ml

Calibration solution for pH monitors or controllers. pH 7.0. 500mL.

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calibration | calibration solution | ph calibration | ph solution

Our Price: $12.99

Item Code: CP2135

pH 10.0 Buffer/Calibration Solution 500 ml

Calibration solution for pH monitors or controllers. pH 10.0. 500mL.

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calibration | ph calibration | calibration solution | ph solution

Our Price: $11.99

Item Code: CP2137

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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orp | ph controller | orp probe orp | orp controller

Our Price: $149.99

Item Code: CP2311

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