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Category Archives: Water Parameters

Critical Water Parameters


Best article on key parameters at Reef Keeping.

Key parameters (source: Reef Keeping)

Water ParameterTarget RangeSeawater
Alkalinity7-11dKH 7dkh
Calcium380 - 450ppm420ppm
Magnesium1250 - 1350ppm1280ppm
Phosphates< 0.03ppm<0.005ppm
Salinity1.0261.025 - 1.027


Alkalinty/Calcium in Balance Calculator

reef saltwater calculator

Great article on Nitrites with detailed explanation.

How To” Guide to Reef Aquarium Chemistry for Beginners – What Chemicals Must be Supplemented

Detailed explanation on The nitrogen cycle, PH, Ammonia, Alkalinity, Nitrites and Nitrates.

Specific Gravity and Salinity Explanation.