Showing 85–96 of 96 results

Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium…

$14.99
Make sure this fits by entering your model number. Automatic Temperature Compensation: 10℃~30℃ Measuring range: salinity: 0-100 ‰, Specific Gravity : 1.000 to 1.070

Semetall Salinity Tester Transparent Acrylic Aquarium Sea Hydrometer Salinity Meter for Fish Tank Saltwater Freshwater

$7.99
Made of transparent acrylic material and easy to read the salt and specific gravity of your marine aquarium. The reading is temperature-corrected and accurate to +/-0.002. The unit of specific gravity is 1. 010-1. 030 (ppt value: 16-40 degrees), the safe area is 1.020-1.023 (ppt value: 27-31 degrees). Aquarium saltwater hydrometer is suitable for fresh water and sea water,which is great for testing the salinity and specific gravity of brackish water and marine fish tanks.

Semetall Salinity Tester Transparent Acrylic Aquarium Sea Hydrometer Salinity Meter Salinity Specific Gravity Test for…

$8.99
【🐟 SPECIFICATION】The reading is temperature-corrected and accurate to +/-0.001. The unit of specific gravity is 1. 000-1. 030 (ppt value: 0-40 degrees), the safe area is 1.020-1.023 (ppt value: 27-31 degrees), and the low specific gravity area is 1.000-1.019 (ppt value: 0- 26 degrees), the higher specific gravity area is 1.024-1.030 (ppt value: 32-40 degrees). (Note: PPT value indicates salinity in the outer range of the scale) 【🐟 MATERIAL】The salinity tester is made of transparent acrylic material, which is relatively hard and easy to read the salt and specific gravity of your marine aquarium. 【🐟 DESIGN 】 The easy-to-read swing arm pointer and ultra-wide stable base provide accurate test results.

Sera Marin Hydrometer

$13.93
Country Of Origin : China The Package Height Of The Product Is 7.48 Inches The Package Length Of The Product Is 2 Inches

SING F LTD Refractometer Compatible with Beer Wort Dual Scale and Specific Gravity

$13.89
You can use this refractometer for one batch of beer Much easier than than using a hydrometer and far less wasteful of your cider It is able to quickly and accurately assess the gravity of your wort at every step of the way

Tiaoyeer Salinity Refractometer with ATC Refractometer for Seawater, Pool, Tank, Testing, Marine, Fishkeeping, Dual…

ACCURATE READINGS : The Aquariums refractometer can measure on 2 Scales Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0-100PPT (1‰=1ppt=1000ppm) ADVANCED AUTOMATIC TEMPERATURE COMPENSATION(ATC)TECHNOLOGY:Adjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results. SIMPLY USE: Using the dropper to take a sample of wort and put it on the prism. Then hold the refractometer up to the light and look scale through the eyepiece.

TOPINCN Saltwater Hydrometer Salt Water Salinity Meter Accurate Automatic Hydrometer Salt Water Salinity Meter for Fish…

$8.41
Accurate, durable, and easy to read sea water hydrometer This product is designed with an automatic level function, can automatically identify the level to avoid errors Very accurate measurement readings, please rest assured to pur

TRZ Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing, Dual Sacle 0-100ppt Salinity & 1.000-1…

$30.85
Make sure this fits by entering your model number. It is more accurate than a hydrometer and easy to measure. Designed for the testing the concentration of salt water and brine, perfect for use with aquarium Marine monitoring and quality control in scientific research and clinical laboratories Measurement range: Salinity 0 - 100 ppt, (0 - 10% salt content), SG 1.000 to 1.070 SG, Resolution: Salinity +/-1 ppt; +/-0.001 SG

UEETEK Heavy Duty Submersible Pump for Aquarium,Powerhead Fountain Water Hydroponic Pump with US-Plug for Fish Tank,2.3…

$13.36
This submersible pump is designed for reliability and ultra-quiet operation. Small size, high efficiency, low consumption, low noise. Suction cups to fit vertical or horizontal mounting.

XISAOK Aquarium Glass Hydrometer with Thermometer Salt Marine Salinity Tester Meter

$4.07
Make sure this fits by entering your model number. ㊥Material:Glass,Size:20cm/7.87" ㊥For Salt Water Marine Aquariums

Yosoo123 Accurate Automatic Hydrometer SaltSalinity Meter Salinimeter for Fish Tank (Long Type)

$8.85
Make sure this fits by entering your model number. 15 centimeters (6 inches) from the bottom of theto avoid the error caused by the oil film on the water. Keeping your hands clean and can prevent pollution offrom the fish pond.

ZRM&E Seawater Hydrometer for Aquarium Aquaculture Seawater Densimeter Ocean Hydrometer Salinity Meter for Fish Tank…

$8.99
Made of high quality plastic, aquarium transparent, automatic accurate reading brine hydrometer Accurate, durable and easy to read salt and specific gravity of your marine aquarium, small and waterproof. If the specific gravity is between 1.000-1.019, it indicates that the specific gravity is low; if the specific gravity is between 1.020-1.023, it indicates that the specific gravity is normal; if the specific gravity is between 1.024-1.030, it indicates that the specific gravity is high The external range of the scale indicates salinity (PPT), and the internal range of the scale indicates gravity. And clearly mark the safe area. Application range: 0-40 degrees (1.000-1.030). If the salinity PPT is between 32-40, it indicates that the salinity is high; if the salinity PPT is between 27-31, it indicates that the salinity is normal; if the salinity PPT is between 0-26, it indicates that the salinity hydrometer is low