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Over 50% more effective than many alternatives
Its titanium components extend the life of the system
2 mm thick shock-resistant Pyrex glass construction for enhanced durability
Ideal for fish enthusiasts looking to maintain a thriving aquatic environment
Ensures optimal water flow due to bead-shaped components
D-D Solutions Refractometer - AQPR001 Monthly_Promo Over 50% more effective thanA refractometer is a simple and robust way of accurately measuring the salinity within your aquarium and should be used by every serious marine aquarist. Most people when entering the marine aquarium hobby tend to purchase a plastic swing arm hydrometer due to the low price of these items. What many people are not aware or informed of is that this type of product can be notoriously inaccurate and can result in wild swings in salinity which is not