Top 10 Refractometers for saltwater aquarium in 2026

AQUA-MEDIC - 35 ppm calibration solution for...

(2 reviews)

7.85 €

35 ppm calibration solution for refractometer.

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• 3 en stock

35 ppm calibration solution for refractometer.

MILWAUKEE - Precision Refractometer

(8 reviews)

104.90 €

The refractometer is an optical instrument that uses refractive index measurement to determine the salinity of natural and artificial seawater, seawater or brackish intermediates.

• En promotion
• 4 en stock

The refractometer is an optical instrument that uses refractive index measurement to determine the salinity of natural and artificial seawater, seawater or brackish intermediates.

AQUA MEDIC - LED refractometer

49.99 €

The Aqua Medic LED Refractometer is a precision optical instrument for the exact determination of the amount of salt in saltwater aquariums . A few drops allow the determination of the salt concentration in a few seconds. It can be read either as absolute quantity of salt (salinity) in ‰, ppt or as density.

• En promotion
• 1 en stock

The Aqua Medic LED Refractometer is a precision optical instrument for the exact determination of the amount of salt in saltwater aquariums . A few drops allow the determination of the salt concentration in a few seconds. It can be read either as absolute quantity of salt (salinity) in ‰, ppt or as density.