1 litre of sterile, ready to use, f/2 Quad medium.

f/2 Quad medium contains 4x the standard f/2 nitrate and phosphate stocks is used for culturing marine algae that are struggling in standard f/2 or other media.

Click here to view or download the recipe.

See our information sheet on using and storing media.


f/2 Quad Medium - 1 LITRE PREMADE