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.
Using the Indigo vat *Before dyeing, machine wash the fabric on HOT cycle with a minimum temperature of 140 EF (60 EC) water OR by hand in a pot on the stove with 2 tsp (2 gm) PRO Dye Activator or Soda Ash and 2 tsp (2.5 ml) Synthrapol per pound (454 gm) of fabric.Rinse thoroughly.sing the Indigo vat *Before dyeing, machine wash the fabric on HOT cycle with a minimum temperature of 140 EF (60 EC) water OR by hand in a pot on the stove with 2 tsp (2 gm) PRO Dye Activator or Soda Ash and 2 tsp (2.5 ml) Synthrapol per pound (454 gm) of fabric. Rinse thoroughly.