Salifert Magnesium Profi-Test Magnesium is present in natural sea water in a fairly high concentration (1350 - 1500 mg/L) and is an essential element of chlorophyll which is necessary for photosynthesis. Without photosynth...
Tests include: Calcium, Carbonate Hardness (KH), Phosphate & Nitrate), 4 test tubes, tray. 4 tests measure the most important aquarium levels in a Reef Aquarium to protect reef-dwellers.
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...
Magnesium Pro is a high accuracy (+/- 2.5ppm) Titration Test Kit (100 tests) - incl. professional titrator.
Salifert Oxygen Profi-Test Corals and marine fish require very high levels of oxygen concentration because of the low solubility of oxygen in salt water so it is very important to regularly test the level of oxygen present...
Measures pH, Nitrite, Nitrate, Carbonate & General Hardness. Just dip & read! 25 ct
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...