Been using Foxfarms for years with excellent results. Each individual strain will need some tweaking here and there.
This mix will work for general veg starting at 2 weeks from transplanted clone or 3 weeks from seed. ( may be more if using FF soil...I dont. I use Sunshine Mix #4 and I would recommend it over FF.)
Big Bloom-30ml/Gal
Grow Big-10ML/Gal
Microbe Brew-2.5ML/Gal
I alternate between feeding and watering....Feed, water, feed, water, etc. Only give microbe brew once per week.
Transition...One week before flip to 12/12 light cycle
Grow Big-12ML/gal
Open Sesame- 1/4 TSP/gal (small side of the measuring spoon)
Microbe Brew-2.5ML/Gal
Flush with plain ph'd water before flip
Flower weeks 1-2
Big Bloom-15ML/Gal
TigerBloom-10ml/Gal
Open Sesame-1/4 tsp./Gal
Microbe Brew-2.5ml/gal
Flower Weeks 3-4
Big Bloom-15ml/gal
Tiger Bloom-10ml/gal
Grow Big-10ml/gal
Beastie Blooms-1/4tsp.Gal
I will only give nutrients one time per week with this mix...So my schedule for these two weeks goes Feed, Water, Water. Flush with plain water between weeks 3 and 4.
Flower Weeks 5,6, and 7 if needed
Big Bloom-15ml/gal
Tiger Bloom-10ml/gal
ChaChing-1/4 tsp. per Gal.
This is what has worked for me for years. I keep my water ph'd at 6.5 always. I make sure to flush with plain water for a minimum of 10 days before harvest...sometimes longer. If I have a strain that peaks for harvest at 53 days I will give my last feeding no later than day 43. If I have a longer flowering strain say 70-75 days I will give my last feeding no later than day 56 and just go plain water from then on. This is to give you a general idea...not all strains may respond best to this. You need to learn your strains and learn their needs and tweak from there. This is an excellent starting point and will very rarely burn anything. Some strains you may need to beef it up a small amount. Fox Farms are a good complete nutrient if you find the right ratios you will be able to max out your strains. I average 4 oz. per plant in 3 gallon pots of Topshelf medical grade. Any questions dont hesitate to ask.