Sterile concentrated stock to make up 5 litres of Modified Provasoli's medium (or 10 litres of half-strength Modified Provasoli's medium).

Modified Provasoli's medium is used for culturing marine algae, particularly small seaweeds.

Click here to view or download the recipe.

Note that this stock needs to be added to filtered natural seawater or artificially made seawater, this is not supplied with the stock.

See our information sheet on using and storing media.