Keep track of how much dichlor you've added and use that to figure the CYA level and, from the CYA level, look up the FC range from Ben's Best Guess Chart. You won't get a reading until CYA gets to 30ppm. You may need add dichlor several time a day until the CYA comes up.

Use Baking soda to raise TA. Use Calcium Chloride to raise CH.