Aquarium Supplies, LED Aquarium Lights, Marine Aquariums, Coral Reef Tanks, Orange County Aquarium Supplies


OCReef Secure Checkout
Your Cart
Your shopping cart is empty!

Products Categories

HYDROMETERS/ REFRACTOMETERS

Aquarium Hydrometers


Aquarium Hydrometers measure the salinity in a fish tank by measuring the specific gravity. Specific gravity is defined as the ration of the weight of one liter of seawater to that of one liter of pure water at a specified temperature.

A new hydrometer will be accurate only to a certain degree, usually measured in PPT's (parts per thousand); if you want more precise accuracy, you should use a Refractometer. Hydrometers will lose their accuracy over time, so you will want to calibrate your hydrometer on a monthly basis. You can determine if your hydrometer is working correctly by testing it with distilled freshwater, which should be 1.000 after correcting for temperature.

Aquarium Systems Instant Ocean Hydrometer

Aquarium Systems Instant Ocean Hydrometer
Price: $8.99
Our Price: $5.00
You Save: $3.99 (44%)
Average Rating: Rate it!

Add to Cart View CartView Cart
The Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings--accurate to 0.001. Easy to read display and simple to operate.
read more...

OCReef Pro Salinity Refractometer

MilWaukee Salinity Refractometer
Price: $89.99
Our Price: $29.99
You Save: $60.00 (67%)
Average Rating: Rate it!
Availability: Usually Ships in 1 to 2 Business Days
Qty:

Add to CartAdd to Cart View CartView Cart
OCReef Pro Salinity Refractometer - Specifically designed for saltwater aquarium use, for measuring the salinity of Natural Seawater. Includes: Precision Honed Inner Lens, and Black Soft Carrying Case. Comes with either a blue grip handle or a black grip handle, depending on stock available when the order is placed.
read more...

Hydrometer/Thermometer

More Hydrometer/Thermometer
Price: $7.40
Average Rating: Rate it!
Qty:

Add to CartAdd to Cart View CartView Cart
Hydrometer/Thermometer - The glass drop-in style aquarium More Hydrometer/Thermometer is approximately 8 inches long.
read more...

Coralife Deep Six Hydrometer

Coralife Deep Six Hydrometer
Price: $9.99
Average Rating: Rate it!
Availability: Usually Ships in 1 to 2 Business Days
Qty:

Add to CartAdd to Cart View CartView Cart
Coralife Deep Six Hydrometer - Precision hydrometer tests both salinity and specific gravity accurately and without getting your hands wet.
read more...

JBJ C-Scope Salinity Refractometer W/ Auto Temp. Calibration

JBJ C-Scope Salinity Refractometer With Auto Temp. Calibration
Price: $99.99
Average Rating: Rate it!

Add to Cart View CartView Cart
JBJ C-Scope Salinity Refractometer With Auto Temp. Calibration - From the fine line of quality JBJ products is the JBJ C-Scope Salinity Refractometer, measures your saltwater aquarium with precise accuracy. The C-Scope refractometer is designed for testing the concentrations of saltwater by providing a direct reading of the speciific gravity and salinity in ppt.
read more...

Milwaukee Instruments Seawater (Salinity) Refractometer

milwaukee digital refractometer
Price: $144.99
Our Price: $109.99
You Save: $35.00 (24%)
Average Rating: Rate it!
Availability: Usually Ships in 1 to 2 Business Days
Qty:

Add to CartAdd to Cart View CartView Cart
Milwaukee Instruments Digital (Salinity) Refractometer - ARE YOU TIRED OF CALIBRATING YOUR REFRACTOMETER? GO DIGITAL!
read more...

Verified and Secure Web Store

Online Aquarium Supply

1-949-429-8034

OCReef.com
Aquarium Supplies

Online Aquarium Supplies
Sign up↑ for Exclusive Offers
(Email is Private & Secure)

Free Shipping On Aquarium Supplies

Ecotech Marine Vortech and Radion
Follow OCReef Aquarium Supply on Twitter Twitter

Like OCReef Aquarium Supply on Facebook Facebook

Stumble Upon OCReef Aquarium SupplyStumbleUpon

CREE LED Aquarium Lights

OC Reef LED Lighting donated to build the Treasure Chest Tank at the Children's Hospital In Detroit Michigan. See it featured on Animal Planet's Hit TV Series Tanked!

We have chosen this profession because we love what we do! It's our pleasure to serve you!

Sincerely, OC Reef Staff!