DinoNutrients: Filtered purified Pacific Ocean Seawater with added nutrients for growing healthy and bright PyroDinos (dinoflagellates).  280ml (9.5 fl oz) DinoNutrients in spout pouch.  6 month shelf life when stored in cool dark location.  Shake/mix before use.  May be refrigerated.  Bring to room temperature before use.   FREE SHIPPING (in US) More information can be found on the Instructions Page and on PyroFarms' Dinoflagellate page. Directions There are two approaches; 'maintenance feeding' and 'expansion feeding'.  Maintenance feedings keep a culture healthy while expansion feedings are for people wanting to produce more dinoflagellate volume.