F2 Media (For Phytoplankton culture) 250mL $60.00 Produced based on the original Guillard’s 1975 F/2 Formula, this fertilizer contains all the necessary nutrients, trace elements and vitamins required for the successful cultivation of phytoplankton. In addition, this fertilizer is completely silicate-free, which significantly minimizes the growth of diatoms, promoting a cleaner and more efficient culture environment. 250ml of fertilizer produces 250L of phytoplankton. Application: Add 1ml of fertilizer per litre of culture volume. Apply only at the start of the culture period. Storage: Cool and dry place. For a prolonged shelf life, keep refrigerated. Add to cart