The open circulatory system is a system in which a fluid in a cavity called the hemocoel bathes the organs directly with oxygen and nutrients and there is no distinction between blood and interstitial fluid; this combined fluid is called hemolymph or haemolymph.
Be sure to pre-heat dryer. The heat set with an iron it's important to note that temperatures vary from iron to iron. When using an iron, pre-heat iron to maximum temperature safe for fabric. Place aluminum foil on ironing board and the painted side of the fabric down. Press against the backside for at least 15-25 seconds per square foot.
Soak the material to be dyed in the dye fixer solution. Let the fabric soak in the solution for 5 to 10 minutes, or until the fabric is completely saturated. You can reuse the fixer water and treat several batches of fabric in the same mixture. Step 4: Fold, Twist or Tie.