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UTEX sells 1/2 Erdschreiber's Medium at 1X concentration only. Stock solutions and individual components for this specific medium are currently not available for purchase.

1/2 Erdschreiber's Medium

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$ 55.00

Deadline to place an order for 1/2 Erdschreiber's Medium with a 2024 shipment date:
Dec 11, 2024 at 5:00 PM CST

FAQs: Algal Culture Media

1/2 Erdschreiber's Medium

For marine algae that require salinities at 15 ppt, the basic Erdschreiber's Medium is combined with sterile distilled water prior to inoculating the new culture, such that 1/2 Erdschreiber Medium combines Erdschreiber Medium and sterile distilled water 1:1.

Directions

For 1 L Total

  1. Combine components.
  2. Store at refrigerator temperature.

# Component Amount Stock Solution Concentration Final Concentration
1 Erdschreiber's Medium 500 mL
2 sterile dH2O 500 mL
1/2 Erdschreiber's Medium Recipe PDF
Safety Data Sheet (SDS)
FAQs:Algal Culture Media

Important Notes To Consider:

  • The quality of water, including natural seawater, is important. The term 'dH2O' generally refers to distilled, deionized, distilled/deionized water, Milli-Q water (Millipore Corp.), etc. Natural seawater and natural freshwater should be obtained from a non-polluted source.
  • When dissolving chemicals, wait for the first component to dissolve before adding the second. Stirring, and sometimes the addition of heat, is often required to dissolve the chemicals efficiently. Preparation of stock solutions for frequently made algal culture media make preparing media convenient but also necessary to avoid errors from weighing very tiny amounts.
  • Attention should be given to the pH of the final medium. In most cases, if pH adjustment is required, this occurs before sterilization. Please note that autoclaving removes carbon dioxide from media lacking carbonate stabilizing buffers. This would make the medium very alkaline soon after removal from the autoclave. In these cases, you should wait approximately 24 hours for gaseous equilibrium before inoculating the medium.

Additional algal culture media recipes can be found at the following other major Collections' websites: