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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
Optical: See all items
Our Price:
$119.99
Item Code: CP2115
Conductivity Cell (3/4 inch Slip PVC Fitting)
The Conductivity Cell consists of a ¾" In-Line Probe Holder pre-installed in a ¾ Slip x Slip x FTP PVC tee. To ensure the accuracy of the conductivity measurement, the probe must be installed either in-line or in a "drip cup" (see...
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Monitor Equipment: See all items
Our Price:
$21.99
Item Code: OP3177
Coralife Deep Six Hydrometer
The unique design of the Deep Six Hydrometer allows hobbyists to take water samples at six inches in depth without submerging their hands in the water, thus avoiding the possibility of contamination. Samples taken at six inches in...
Avg. Customer Review (9) reviews
Optical: See all items
Our Price:
$7.99
Item Code: ES00877
Coralife Digital Thermometer
Ideal for aquariums and terrariums. Readings in 0.1 degrees Fahrenheit or Celsius. Temperature range -10 degrees F to 140 degrees F (-23 degrees C to 60 degrees C). Mounting suction cups and battery included. 39 inch long temperat...
Avg. Customer Review (16) reviews
Thermometers: See all items
Our Price:
$7.99
Item Code: ES00232
Digital Aquatics Expansion Socket for ReefKeeper Controller
Expansion Socket The Digital Aquatics Expansion Socket allows you to control high current devices without affecting your ReefKeeper power budget
Avg. Customer Review (4) reviews
Monitor Equipment: See all items
Our Price:
$44.99
Item Code: DA1313
Digital Aquatics ReefKeeper 2 Controller
pH Monitoring and Control The ReefKeeper’s pH feature allows the user to monitor pH to 0.01 resolution. A channel can be linked to the pH measurement to control devices that raise and lower pH. Common pH probes are supported and...
Avg. Customer Review (11) reviews
Monitor Equipment: See all items