UTEX: Soilwater (GR+)

The basic garden-type soilwater; includes a pinch of CaCO₃, which is added to the soil and water prior to steaming; suitable for most phototrophic freshwater algae. Optional ingredients: add vitamin B12 to cultures of Volvox; a pinch of NH₄MgPO₄ x 6H₂O added to soilwater cultures of Botryococcus, Synechococcus and some Euglenoids enhances growth and to LB 826 Gonium pectorale increases the numbers of 16-celled colonies formed.