Red Sea Seawater Refractometer

$59.99  

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RS12018

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Red Sea High Accuracy Seawater Refractometer!

Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25°C/77°F.

Most refractometers used within the aquarium hobby are not specifically designed for reef aquariums and use an algorithm for the measurement of brine (NaCl – rather than seawater) and at a temperature of 15°C/59°F rather than 25°C/77°F. Thus, a measurement deviation of up to 1.5ppt is possible, which can have a significant adverse effect on coral growth and coloration.

Main features of Red Sea’s Seawater Refractometer include:
  • Directly reads the absolute salinity of seawater at 25°C/77°F ( No need for seawater or temperature compensation factors)
  • Specifically designed for the ionic content of seawater (NSW) for more accurate salinity measurement (industry standard refractometers are calibrated for salt brine ).
  • Calibrated for seawater (NSW) at 25°C/77°F, the normal temperature range for reef aquariums (most standard refractometers are calibrated at 15°C/59°F ).
  • Easier to read, higher resolution display, focussed to the relevant range for reef aquariums of up to 40ppt
  • Includes Integrated Automatic Temperature Compensation (ATC) for accurate measurement at standard ambient temperature.
Red Sea’s Refractometer display
The PPT scale on Red Sea’s Seawater refractometer is calculated using an algorithm for seawater and therefore will give a reading of the Absolute Salinity of seawater.

The PPT scale on regular salinity refractometers are calculated using an algorithm for Brine. Using a Brine refractometer for Seawater will give an error of approximately 1.5ppt in the salinity reading.










Product Manuals & Documentation

Red Sea Seawater Refractometer

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

With a dedicated team of scientists and other professionals, Red Sea is widely recognized as a leading innovator and manufacturer of quality products for aquarium hobbyists. Red Sea constantly strives to provide hobbyists of all levels with highly effective solution-driven products designed to make your fish-keeping experience as enjoyable and successful as possible.

The embodiment of Red Sea’s dedication to providing solutions for today’s reef-keepers is its range of MAX-NANO, MAX-E & MAX-S aquariums- The only choice for true Plug & Play™ coral reef aquariums, now featuring the very latest in LED lighting technology.

For advanced reef-keepers the Red Sea REEFER provides a great platform into which you can add your own selection of hardware. With its ultra-clear glass, ATO built-in, silent flow valve and superb quality of finish the REEFER sets the standard for those wishing to customize. REEFER is also available as a Deluxe version with LED lighting included.

Red Sea’s unique Reef Care Program (RCP) provides a comprehensive, safe and easy to use program for testing and supplementing within reef aquaria, and is perfectly complemented by Red Sea’s Coral Pro & Red Sea Salt’s, which has become the salt of choice for those seeking the very highest quality water quality for their coral reef aquariums. Both salts are made using a unique natural process which delivers unrivalled homogeneity and is perfect for delicate corals. Check your individual bucket of salt’s composition using Red Sea’s innovative new “MyBatch” software.

Whatever your aquatic needs, Red Sea delivers high quality innovative, solution based products.

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Overall, others give this:

  • 4.2

16 Reviewers (88%) would recommend this

Overall Rating:

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5  Star
 10
4  Star
 3
3  Star
 0
2  Star
 0
1  Star
 2
 
4
4.0
easy to read and calibrate
reviewerbadge
PROS
easy to read. very accurate
CONS
cost more than others that do nearly the same thing
REVIEW
This unit is very easy to read as advertised. calibration is like any other. I always calibrate with fluid prior to use. pricey
  • 1
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5
5.0
Good quality!
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REVIEW
Easy to calibrate and easy to use. Good build quality. No complaints here.
  • 1
Was this review helpful: Yes(1)No(0)
 
 
 
5
5.0
Best money spent so far!
reviewerbadge
PROS
Easy to use. Scale is very visible
CONS
None
REVIEW
Hands down the best purchase I've made yet. It's easy to use and read.
  • 1
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4
4.0
Works well
reviewerbadge
PROS
east to use
CONS
frequent calibration required
REVIEW
Works well but requires frequent calibration
  • 1
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3.5
3.5
Needs to be calibrated frequently

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REVIEW
Ive been using this refractometer for about a month and have noticed that it needs to be calibrated almost every use. It is temp sensitive and any deviation from 77/78 degrees will affect the results. I use RO water to calibrate and may consider to use calibration fluid to see if that may help.
  • 1
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5
5.0
salt in tank

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PROS
works good
CONS
nothing
REVIEW
Easy to read and works good
  • 1
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1
1.0
does not hold calibration

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REVIEW
Buyer beware- this instrument needs to be calibrated with heated 77F calibration. If not it will not hold calibration. No, thank you.
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Overall, others give this:

  • 4.2

16 Reviewers (88%) would recommend this

Overall Rating:

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5  Star
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