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Water Chemistry on 3reef.com reef forums. Does your aquarium have the right water chemistry - the right amount of calcium, alkalinity, iodine, magnesium, etc.?

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Thread: Water Parameters

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11-13-2007, 12:26 PM	#4 (permalink)
Camilsky Stylophora Join Date: Oct 2007 Location: Groningen, The Netherlands Age: 25 Posts: 954 Karma: 3083	Chaps! If I could add my 0.02$: dKH - carbonate hardness (what we all know) characterizes buffer capacity of your tank. How ?! If there is any source of free H+ (protons that lower the pH) H+ reacts with CO₃2- (the carbonate anion of which concentration is specified as dKH) yielding HCO₃- (so called hydrocarbonate anion). In this particular way your free protons (that cause the drop of pH) are in bound state and they can't cause the drop of pH! Therefore carbonate CO₃2- buffers your water. The higher the concentration of CO₃2- the bigger buffering capacity/power of your water and the bigger value of dKH. It is important to have considerably high dKH because together with high value of it the general/effective stability of your water ecosystem is elevated. I hope this explains the importance and the concept of dKH ! _________ My FlickR Photo Gallery My 45g. Cube Thread

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