1
Incubate all used glass ware and magnetic stirring rods in 0.1 M HCl and rinse 3x with double distilled water to remove residual detergents (always check visual for soap bubbles).
2
Autoclave the Basic-FWM and cool to room temperature. This medium should be free of any precipitations!
3
Aseptically, add per L of BASIC-FWM the following solutions from sterile stocks (do not store complemented FWM):
- Trace element solution (Nitrososphaera)
- FeNaEDTA solution
- NaHCO3 solution
- HEPES buffer solution
- NH4Cl solution
- Sodiumpyruvate solution
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