Guillard’s (F/2) marine water enrichment solution 50X, is a concentrate of major nutrients, trace metals and vitamins that can be diluted in filtered seawater to support reconstitution of Guillard’s (F/2) marine enrichment medium.

Guillard’s (F/2) marine enrichment medium is a widely used enriched seawater medium for growing costal marine algae (diatoms).

Reconstitution: Use at 20 ml/L of seawater.