Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor...
A highly accurate, easy to use, wide range specific gravity meter for marine aquarium use. Designed to eliminate inaccuracy issues common with competitive quick-dip hydrometers while helping you take a...
FritzZyme® TurboStart® 900 contains the same proven strains of effective, live nitrifying bacteria as FritzZyme® 9, but at 15 times the concentration. FritzZyme® TurboStart® 900 reduces fish loss due to...
If you have been using a hydrometer and have never tried a refractometer then you should really invest in one. They use much less water, and can easily be calibrated...