Failed Experiment: Bermuda Buttercup or Sour Grass (Oxalis pes-caprae) as Dye
...l recall, is just enough to “cover” the herbs. For the record, I believe I used 3 tsp of both alum and cream of tartar in the first round, for t-shirt #1, then added 3 tsp of iron for round 2. But how much water I used, I have no idea. T-shirt #2 went in and I let it stew forever. The water took on a nice green color, but the shirt couldn’t even pick up the pale tint that shirt #1 had acquired. It was like the dye had actually become weaker. I fin...