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Refractometer 8 products found
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FISH 
PONDS 

PRODUCTS (8) results ARTICLES (22) results
Portable Pond Refractometer
44.99
* Economical, lightweight * Easily monitor your pond's salinity * Same accuracy as the expensive models Koi enthusiasts know that a consistent low level of salt in your pond helps ensure a healthy slime coat, reduces stress, and fights disease. This optical device provides a direct reading of…
Ponds Showing 4 of 4 products View All Results
53.0 mS Calibration/Reference Fluid
8.49
…reference solution for refractometers Calibration solution for Pinpoint Salinity Monitor. This 53.0 mS (millisiemens) standardized fluid from American Marine Inc. matches the refractive index of 35 ppt (parts per thousand) seawater, making it an ideal reference solution for refractometers.Please click on…
Pond Salt by PondCare
14.99
…direct contact with any plants. Pond salt will not evaporate, so the only time you need to add more is after water changes. Investing in a reliable refractometer will help you test and maintain trace salt levels. 145 oz contains approximately 18 cups. Suggested use: Ponds without plants: 2-1/2 cupfuls per…
Vital Sine
113.99
* Largest and sharpest scale display we offer * Calibration ring allows very easy calibrations * Durable, all-metal design * Rubber hand grip eliminates transmission of hand heat to reduce errors Features the largest, sharpest scale displayfor the most accurate salinity and specificgravity readings…
Portable Pond Refractometer
Portable Pond Refractometer
On Sale
As low as $44.99
53.0 mS Calibration/Reference Fluid
53.0 mS Calibration/Reference Fluid
As low as $8.49
Pond Salt by PondCare
Pond Salt by PondCare
As low as $14.99
Vital Sine
Vital Sine
As low as $113.99

Portable Refractometer
44.99
* Precision refractometer measures salinity & specific gravity * Easiest and most accurate way to maintain ideal salt levels * Professional testing device at an affordable price Test concentration of salt in several aquariums with this portable, economical, and lightweight refractometer. Featuring the…
Fish Showing 4 of 4 products View All Results
Hanna Instruments Digital Seawater Refractometer
199.99
* Digital refractometer for extremely fast and accurate results * Optical device measures refractive index of marine aquarium water * Displays result in PSU, salinity or specific gravity units in just seconds Measuring salinity of marine aquariums does not get any easier OR faster than this! Now professional…
Vital Sine Refractometer
113.99
* Largest and sharpest scale display we offer * Calibration ring allows very easy calibrations * Durable, all-metal design * Rubber hand grip eliminates transmission of hand heat to reduce errors Features the largest, sharpest scale displayfor the most accurate salinity and specificgravity readings…
53.0 mS Calibration/Reference Fluid
8.49
…reference solution for refractometers Calibration solution for Pinpoint Salinity Monitor. This 53.0 mS (milliseimens) standardized fluid from American Marine Inc. matches the refractive index of 35 ppt (parts per thousand) seawater, making it an ideal reference solution for refractometers.Please click on…
Portable Refractometer
Portable Refractometer
On Sale
As low as $44.99
Hanna Instruments Digital Seawater Refractometer
Hanna Instruments Digital Seawater Refractometer
New Product
As low as $199.99
Vital Sine Refractometer
Vital Sine Refractometer
As low as $113.99
53.0 mS Calibration/Reference Fluid
53.0 mS Calibration/Reference Fluid
As low as $8.49

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