Showing 1177–1188 of 1502 results

Salifert NIPT Nitrite Test Kit

$11.45
Because of its unique formulation, the Salifert Test Kit does not suffer from amine interference, and offers full color development within one minute The test kit has two different scales: an ultra-low scale for nitrite-nitrogen which ranges from 0.002 - 0.12 mg/L, and a medium scale for nitrite-nitrogen which ranges from 0.02 - 1.2 mg/L Sufficient for up 50 tests

Salifert Nitrate Test Kit

$15.91
The nitrate test kit provides fast and precise nitrate measurements The nitrate test kit can perform up to 60 tests The nitrate test kit comes with reagents analytic, grade glass vials, and a calorimetric comparator

Salifert pH Test Kit

$10.92
The pH test kit provides accurate pH fluctuations The pH test kit can perform up to 50 tests The pH test monitors the pH and provides an effective alkalinity

Salifert Phosphate Test Kit

$16.90
The phosphate test kit will detect lower concentrations of phosphates The phosphate test is highly reliable and accurate The phosphate test kit includes a professional colorimetric comparator

Salinity Refractometer for Aquarium, Marine Monitoring, Saltwater Testing, Dual Scale Salinity Tester 0-100 PPT& 1.000-1…

$15.99
DUAL SCALES - Saltwater Refractometer measures on specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰, you can get the result in two different units by one test WIDELY USE - The Refractometer designed for Aquariums, Marine Monitoring, Agricultural and Educational Purposes. Help you to control concentration of salt water easily EASY TO USE - Put 2-3 drops of sample solution after calibration on prism, towards light, then get the accurate readings. Aquarium refractometer is ideal for replacement salinity hydrometers or expensive digital salinity tester

Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation

$19.88
Measure salt water or salinity of water, ideal for aquariums and marine monitoring. Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand. Features automatic temperature compensation.

Salinity Refractometer, Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10%

$18.60
Make sure this fits by entering your model number. 0 to 10% salinity, 0.01% scale. Durable aluminum body, durable and can use for a long time.

Salinity Tester, Simple Portable Salinity Meter, Folding for Drinking Water Swimming Pool Food Processing Aquarium

$37.04
Make sure this fits by entering your model number. Made of high quality ABS material, the salinity meter is not easy to be damaged and durable for long time use. It can be folded when not in use and more convenient to carry after folding.

Saltwater Meter Salinity Meter Digital Water Tester Hydrometer Ideal for Hydroponics Aquarium Fish Pond Aquaculture High…

$44.99
Make sure this fits by entering your model number. ACCURACY AND CONSISTENCY: Conductivity is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for reading always be accurate at various temperatures. BIG SCREEN WITH BACKLIT: Unit with a big backlight screen makes you easy to see the readings clearly in poor light.

Scicalife 10Pcs Round Pet Digital Hygrometer Embedded Acrylic Reptile Pet Humidity Meter Electronic Digital Hygrometer…

$22.69
It is portable and small, which wont take up too much space. measures temperature which can be appear in Celsius. Lightweight and small, easy to install.

Seachem Cupramine Copper 100ml

$8.50
Buffered active copper Effective against external parasites For marine and freshwater use