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Aquarium Marine Test, Sea Saltwater Hydrometer, Reef Ocean Hydrometer Salinity Meter for Pool Aquarium Water Salinity Specific Gravity Test
$19.99
🐠 Safe Material & Unique Design: Made of durable Acrylic, this Fish Tank Test Kit salinity Hydrometer is designed with an automatic level function 🐠 Quickly, easily, and accurately measurement:...
Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater
$38.09
One scale checks the NaCl levels with the range of 0-100 ppt (with 1 ppt scale divisions) and the other scale gauges Specific Gravity with a range of 1.000 to...
Hydrometer Salinity Tester for Aquarium Sea Fish Tank Salt Water
$18.94
Quick measurement on salt level, specific gravity. Rinse with fresh water after use Specific gravity range 1.000 - 1.030 Salinity range 0-40 Product description Actopus Hydrometer Salinity Tester for Aquarium...
Glass Aquarium Hydrometer with Built-In Thermometer Marine Floating Salt Water Salinity Tester 1.000-1.060 7.87In
$16.31
For Salt Water / Marine Aquariums. Easy to use. Measure both Temperature and Specific Gravity of the water. Green s are for ideal of water temperature and specific gravity for...
Digital Salinity Tester for Salt Water - Aquarium Salinity Meter with ATC, IP67 Waterproof, 0-200 PPT Large Range Multi-Parameter Tester for Seawater, Fish Tank, Hydroponics
$32.62 – $40.83
[Large Salinity Range] Ciztada salinity tester has 2 measurement modes, scale range: 0~9999 ppm/10.0~200 ppt and 0.00-25.00%, which is 2 times than the salinity refractometer [Automatic Temperature Compensation] Notice: We...
Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer
$21.04
Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer. Durable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof.if the specific...
Glass Aquarium Hydrometer with Built-In Thermometer Marine Floating Salt Water Salinity Tester Range 1.000-1.060 7.87In, 20Cm
$15.75
¡ï For Salt Water / Marine Aquariums. ¡ï Easy to use. ¡ï Measure both Temperature and Specific Gravity of the water. ¡ï Green indicators are for ideal range of water...
Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100Ppt & 1.000-1.070, Saltwater Tester with ATC Function
$29.88
Measures on 2 Scales: Aquariums refractometer features Specific Gravity (D 20/20) 1.000-1.070sg and parts per thousand 0-100PPT (1‰=1ppt=1000ppm) Seawater refractometer measures saltwater or salinity of water, ideal for aquarium, marine...