Beverly,
Last night, I also tested the Kent from the recent group order and got a dKH of 9. I also used an Aquarium Pharm test kit, and it doesn't have the .5 resolution you mention. 1 drop of reagent = 1dKH. Are you interpolating between two drops, or did you use 2ml of water and halve your input drops?
Matthew
Last edited by Matt; 02-16-2006 at 10:30 PM.
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