12-05-2010, 10:17 PM
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what ever amount you have left in the syringe after the color change, you find the equvalent amount in the first column then slide over to the second column to find the dkH value of your water. for example, if your test vial turned to the orange-red and you have 0,46 left in the second syringe, you would have ALK of 8.6 dkH. alk is measured in the US typically in dkH. Natural sea water is 8.0 dkH and typically hobbiest strive for the range pasfur suggested above. Hope this helps.
Last edited by reefsahoy; 12-05-2010 at 10:20 PM..