I'm no expert in coir, but I do run Fox Farms in soilless (Promix with Perlite).
I only used the hydro schedule for a guide. Here's my routine:
It is largely dependent on strain, but I build up to 1 tsp/gallon Grow Big durring veg, and then build up to 1 tsp/gallon Grow Big plus 1tsp/gallon...