Turtle Health Block is scientifically formulated to condition the water that your pet lives in, whilst releasing beneficial minerals to maintain health.
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.
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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