4ml of tank water, 2 drops of part 1, mix, add part 2 with handy dandy syringe. Take a reading of what's left
0.6ml---6.4dkh
0.5ml---8.0dkh
0.4ml---9.6dkh
0.3ml---11.2dkh
I don't have a scanner hooked up at the moment or I would send you the whole list
