Chu's Medium

Chu's Medium Recipe

Modification of Chu No. 10 (Bold and Wynne 1978). Suitable for some xenic cultures of Cladophora, Coronastrum and Nostoc.


For 1 L Total

  1. Add 10 mL of Chu Stock Solution to 990 mL of sterile dH2O.
  2. Add sterile NaHCO3 to medium.
  3. Store at refrigerator temperature.

# Component Amount Stock Solution Concentration Final Concentration
1 Chu Stock Solution 10mL/L
2 NaHCO3 (Fisher S 233) 1 mL/L 1.26 g/90 mL 0.17 mM