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AZ-NO3 Nitrate Eliminator 240mL
Fourth Generation Formula: The NEW AZ-NO3 with it`s new "Cold" filtering and processing techniques reduces the clouding effect in even poorly-maintained (ionically-imbalanced) marine aquariums. Its nitrate-removal ...
Avg. Customer Review (24) reviews
Additives: See all items
Our Price:
$19.99
Item Code: CP2151
4 inch Cooling Fan Kit
4" Cooling Fan Kit includes fan, plastic guard & power cord, 76 CFM.
Avg. Customer Review (8) reviews
Lighting: See all items
Our Price:
$34.99
Item Code: CP5913
HM Digital In-line Dual TDS Meter
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 n...
Avg. Customer Review (10) reviews
Reverse Osmosis: See all items
Our Price:
$39.99
Item Code: RO1312
Pocket TDS Mini Meter
Fashionable, handy and simple design. TDS detection range: 0-1999PPM; Reading above limit shows "Err". Four-digit LCD display screen is easy for reading. Power on 3V CR2032 lithium battery. Slide open design battery c...
Avg. Customer Review (5) reviews
Reverse Osmosis: See all items
Our Price:
$29.99
Item Code: RO1351
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...
Avg. Customer Review (9) reviews
Testing Equipment: See all items
Our Price:
$69.99
Item Code: CP2111
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...
Avg. Customer Review (3) reviews
Testing Equipment: See all items
Our Price:
$64.99
Item Code: CP2131
Captive Purity Refractometer with Calibration Dial
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...
Avg. Customer Review (10) reviews
Testing Equipment: See all items
Our Price:
$89.99
Item Code: CP2113
3 inch Cooling Fan Kit
3" Cooling Fan Kit includes fan, plastic guard and power cord, 39 CFM.
Avg. Customer Review (3) reviews
Lighting: See all items
Our Price:
$31.99
Item Code: CP5911
Captive Purity Refractometer with Light
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...
Avg. Customer Review (4) reviews
Testing Equipment: See all items
Our Price:
$119.99