Soilwater: GR-/NH4 Medium

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Orders for algal culture media placed after 5:00 PM CST on Wednesday, November 14th through Wednesday, November 28th, will not ship until Monday, December 3rd, 2018. There will be no outgoing shipments on November 26th, 2018. Please view more information here.

Soilwater: GR-/NH4 Medium Recipe

A garden-type soilwater without supplements. Suitable for Spirogyra, Zygnema and a few other phototrophic algae.


For 200 mL Total (pH 7.3)

  1. Prepare Soilwater: GR- Medium
  2. Add pinch of NH4MgPO46H2O after pasteurizing.

# Component Amount Stock Solution Concentration Final Concentration
1 Soilwater: GR- Medium 200 mL
2 NH4MgPO46H2O (Sigma 529354) 1 mg 0.04 mM