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ELOS AQUA TEST KIT- CALCIUM Calcium is the primary building block of corals, clams, calcareous algae and many other organisms that we grow in our aquarium. Without adequate supplies of calcium these organism will not flourish a...


Our Price: $29.99
Item Code: EO4127


ELOS AQUA TEST KIT- CARBONATE HARNDESS The alkalinity of a solution refers to its capacity to buffer against drops in pH. It is a measure of the concentration of various negatively charged ionic compounds (anions) such as carbo...


Our Price: $17.99
Item Code: EO4123


ELOS AQUA TEST KIT- GENERAL HARDNESS (FreshWater) General Hardness is primarily the concentration of Calcium (Ca++) and Magnesium (Mg++), the two most important metal cations with more than single positive charge. If the amount...


Our Price: $16.99
Item Code: EO4125


ELOS AQUA TEST KIT- MAGNESIUM Magnesium (Mg) is present in a high quantity (1300-1350 ppm) in natural seawater. Contrary to its not only quantitative significance, this element was ignored as an important parameter of the marin...


Our Price: $27.99
Item Code: EO4129


ELOS AQUA TEST KIT- NITRATE The Biological 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 anot...


Our Price: $27.99
Item Code: EO4119


ELOS AQUA TEST KIT- NITRITE The activity of the bio-filter in the aquarium system can be divided by mineralization and nitrification. The product of the mineralization process is ammonia and organic acids. The next step of deco...


Our Price: $24.99