1
Make up to 1 Litre Filtered natural seawater. Adjust pH to 7.6 – 7.8 with 1M NaOH or 1M
HCl, prior to autoclaving. Autoclave at 15 psi for 15 minutes
2
Alternatively, use: Distilled water to 1 Litre and “Ultramarine Synthetica” sea salts
33.60g
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