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. Up to 2 years shelf life when kept refrigerated.