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The Hanna Marine Alkalinity Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit
cobalt and molybdenum for chaetomorpha growth and vigor in all marine systems
If the bacterial product you use is dead
2 - 10 mg/L (ppm) as nitrate
It is perfect as a buffer to enhance microbiology in saltwater aquariums
Aquaforest Calcium 850g others The Hanna Marine Alkalinity Checker®An agent for maintaining constant calcium levels and pH adjustment in reef aquariums. In sea water, the constant value of calcium is essential for the proper development of corals and coralline algae. The recommended level of calcium in reef aquaria is 380 460 mg l (ppm)