D-D Refractometer for Seawater – Accurate Salinity Measurement neptunian tank Providing all the essential elements

Providing all the essential elements your reef tank needs

3-P 250g is a professional-grade alkalinity buffer designed for reef aquarists who require long-term pH stability and consistent alkalinity levels

Trusted by professional aquarists worldwide

Made from natural calcium carbonate and dyed (not painted)

D-D Refractometer for Seawater – Accurate Salinity Measurement neptunian tank Providing all the essential elementsThe D D Refractometer for Seawater is an essential tool for every serious marine aquarist. This precision instrument is specifically designed and calibrated for seawater testing, providing accurate salinity readings in your marine aquarium. Unlike cheaper alternatives, this refractometer ensures reliable and consistent results, helping you maintain a healthy and stable environment for your aquatic life. Ideal for both hobbyists and professionals, its