Top 10 Refractometer For Aquariums of 2021

January 18, 2021

Rank		Product Name	Score
1	$Automatic Temperature Compensation Sea Water Salt Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to 1.070 S.g. Dual Scale Hydrometer By Adeadvancedoptics$	Automatic Temperature Compensation Sea Water Salt Salinity Refractometer for Aquarium, 0% – 10% & 1.0 to 1.070 S.g. Dual Scale Hydrometer By Adeadvancedoptics Ade Advanced Optics®	9.6	GET ON AMAZON
2	$Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation$	Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation Xin Da Cheng	9.2	GET ON AMAZON
3	$Aeroway Salinity Refractometer, Aquarium & Seawater - Dual Scale (1.0 to 1.070 S.G.)$	Aeroway Salinity Refractometer, Aquarium & Seawater – Dual Scale (1.0 to 1.070 S.G.) Aeroway	8.9	GET ON AMAZON
4	$SMARTSMITH Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation$	SMARTSMITH Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation SMARTSMITH	8.6	GET ON AMAZON
5	$Rhinoco Salinity Refractometer, Saltwater Aquarium Refractometer, Dual Scales Specific Gravity Salinity Meter with 0-100 PPT and 1.000-1.070 for Seawater, Pool, Tank, Testing, Marine Fishkeeping$	Rhinoco Salinity Refractometer, Saltwater Aquarium Refractometer, Dual Scales Specific Gravity Salinity Meter with 0-100 PPT and 1.000-1.070 for Seawater, Pool, Tank, Testing, Marine Fishkeeping Rhinoco	8.6	GET ON AMAZON
6	$Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing - Dual Scale (0-100ppt & 1.000 to 1.070 S.G.)$	Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing – Dual Scale (0-100ppt & 1.000 to 1.070 S.G.) ONE250	8.4	GET ON AMAZON
7	$RZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function$	RZ 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 RZ	8.3	GET ON AMAZON
8	$AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)$	AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED) Center Optoelectronics Technology Company Limited	8.0	GET ON AMAZON
9	$Rhino Salinity（0-100ppt & 1.000-1.070 Specific Gravity）Refractometer with Automatic Temperature Compensation for Seawater and Marine Fishkeeping Aquarium Teflon Coating$	Rhino Salinity（0-100ppt & 1.000-1.070 Specific Gravity）Refractometer with Automatic Temperature Compensation for Seawater and Marine Fishkeeping Aquarium Teflon Coating RHINO TECHNOLOGY	8.0	GET ON AMAZON
10	$AUTOUTLET Refractometer Saltwater Aquarium for Seawater,Pool,Tank,Testing,Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit$	AUTOUTLET Refractometer Saltwater Aquarium for Seawater,Pool,Tank,Testing,Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit AUTOUTLET	7.6	GET ON AMAZON