 Extech RF20 0 Parts per Thousand to 100 Parts per Thousand Automatic Temperature Compensation Salinity Refractometer Sale Price: $63.99  Eligible for free shipping! |
 Sybon Refractometer with Automatic Temperature Compensation Sale Price: $49.99 Eligible for free shipping! |
 Hanna Instruments HI 96822 Refractometer for Measuring Salinity of Natural and Artificial Seawater Sale Price: $175.62 Eligible for free shipping! |
 Extech RF41 Portable Battery Coolant/Glycol Refractometer with Automatic Temperature Compensation (°C) Sale Price: $79.99 Eligible for free shipping! |
 Extech RF12 Portable Brix Refractometer (0 to 18%) with Automatic Temperature Compensation Sale Price: $99.99 Eligible for free shipping! |
Extech RF11 Portable Sucrose Brix Refractometer (0 to 10%) with Automatic Temperature Compensation Sale Price: $89.99 Eligible for free shipping! |
Keeping an eye on a nano reef aquarium's water parameters is extremely important, because in such a small aquarium change is the enemy. Spotting changes in salinity can be difficult without the right tools, and more primitive tools such as hydrometers can give an inaccurate and sometimes an even outright wrong reading.
With a portable refractometer, however, things are changed completely. Portable refractometers make it extremely easy to get a pinpointed reading of a nano reef's salinity and specific gravity, and to do so with a handheld device that weighs a mere 10 oz.
With a portable refractometer, you can get more accurate readings of your nano reef and it can reach its full potential and beauty.
This portable refractometer requires no batteries and it automatically compensates for temperatures between 50 to 86°F. It also features dual-scale, 0-100 ppt salinity and 1.000-1.070 specific gravity reading capabilities and comes with a 6-month manufacturer warranty. The best of all is it features the same accuracy and quality as more expensive models of refractometers. Professional quality and performance at an affordable price.
I used a swing arm hydrometer for too long and when I got a portable refractometer I never went back. Refractometers are so much more accurate and convenient, and I can just get a pinpointed reading quickly and know that my aquarium's salinity and specific gravity are in the right places.
Portable Refractometer 0-100 ppt salinity and 1.000-1.070 specific gravity
Below is a video of someone who also got tired of dealing with hydrometers and their inaccurate readings, and purchased their own portable refractometer. He reviews it in this video.
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