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Copper (Cu) Test Kit - Elos
ELOS$21.99The ELOS Copper Test Kit combines ease-of-use, with laboratory-grade precision. It can be used to detect copper or to measure residual copper levels before and after using copper cures in fish-only... -
Magnesium (Mg) Test Kit - Elos
ELOS$25.99Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a... -
Nitrate (NO3) Test Kit - Elos
ELOS$25.99Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another... -
Nitrite (NO2) Test Kit - Elos
ELOS$21.99Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another...