In seconds, this digital refractometer can test your salinity in ppt (part per thousand) and also reads salt levels as a percentage. Also measures temperature.
An easy to use LCD thermometer for display outside the aquarium.
Ideal for small aquariums and bowls, for breeding purposes or for temporary use in hospital tanks.
Prices start from: $5.70
A refractometer measures the salinity levels in your marine or freshwater aquarium.
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