Non-sterile concentrated stocks 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 these stocks need to be added to filtered natural seawater or artificially made seawater, this is not supplied with the stocks.

See our information sheet on using and storing media.