F2 is Oceansix’s phytoplankton fertilizer made 100% true to Guillard’s f/2 recipe. It delivers the classic balance of nitrate, phosphate, chelated trace metals and vitamins for clean, consistent phytoplankton growth in home and hatchery cultures alike.
Available Sizes & Variants
20g
125ml (pre-mixed F2)
Directions
Powder (make a stock): Mix 20 g of F2 powder in 100 ml of RO/DI water to create a concentrate. Dose 1 ml per 1 litre of phytoplankton culture for standard f/2 strength. Shake before each use.
Liquid: Dose 1 ml per 1 litre of phytoplankton culture. Shake well before use.
What’s Inside
Nitrate and phosphate salts for primary nutrition
Chelated trace metals (Fe, Mn, Zn, Co, Cu, Mo)
Vitamins B1 (thiamine), B7 (biotin), and B12 (cyanocobalamin)
Storage
Keep the powder sealed in a cool, dry place. Refrigerate the liquid (and any powder-made stock) after opening and use within 6 months.
Ocean Six - F2
Pickup available at Eden meadows shopping centre
Usually ready in 2-4 days
Ocean Six - F2
125ml
-
Eden meadows shopping centre
Pickup availableUsually ready in 2-4 days
Eden meadows shopping centre
Edenvale
GP
1609
South Africa
F2 is Oceansix’s phytoplankton fertilizer made 100% true to Guillard’s f/2 recipe. It delivers the classic balance of nitrate, phosphate, chelated trace metals and vitamins for clean, consistent phytoplankton growth in home and hatchery cultures alike.
Available Sizes & Variants
20g
125ml (pre-mixed F2)
Directions
Powder (make a stock): Mix 20 g of F2 powder in 100 ml of RO/DI water to create a concentrate. Dose 1 ml per 1 litre of phytoplankton culture for standard f/2 strength. Shake before each use.
Liquid: Dose 1 ml per 1 litre of phytoplankton culture. Shake well before use.
What’s Inside
Nitrate and phosphate salts for primary nutrition
Chelated trace metals (Fe, Mn, Zn, Co, Cu, Mo)
Vitamins B1 (thiamine), B7 (biotin), and B12 (cyanocobalamin)
Storage
Keep the powder sealed in a cool, dry place. Refrigerate the liquid (and any powder-made stock) after opening and use within 6 months.