Molybdenum sol'n; 10,000 ppm. Increases molybdenum in recirculating seawater systems. Increases primary productivity. Required by photoautotrophs (including zooxanthellae) for photosynthesis and nitrogen assimilation (nitrate reduction, nitrogen fixation).  1 drop (0.05 mL) per 12.5 gal. (47 L), or 1 mL per 250 gal. (946 L), once daily to maintain NSW value for S=35. 10,000 ppm molybdenum, derived from potassium molybdate (hydrated source, USP).