NEW IMPROVED FORMULA! 200ml Concentrated Growing Nutrient (Add 2ml per 1ltr of water). Dosage is simple, add 2ml of the nutrient to every 1Ltr of your water (using your usual saltwater\seawater formula) and add to your Phytoplankton culture.
Guillards F2 - 200ml Phytoplankton Growing Nutrient - Makes 100 Litres, Free P&P
100ml Phytoplankton Growing Medium Nutrient - Enhanced Formula - Makes 50L
350ml Nannochloropsis Oculata & 100ML F2 Growing Nutrient - MARINE PHYTOPLANKTON
1L Spirulina Platensis Culture + Free Culture Growing Nutrient & Instructions
500ml Spirulina Platensis Culture & 20g Growing Nutrient & Guide - Aquaculture
GUILLARDS F2 + Si (Silicon) - FOR DIATOMS - Growing Nutrient 250ml (Makes 125L)