Nutrient question for soil

i did for first couple grows... not a return customer, lol. if you bought it, use it up. Buy some cal-mag, as you'll need it for each grow with FF. Use significantly less than what they say... maybe 1/2? Especially with autoflowers... that thing will turn dark and glossy in short order. find a complete feed that doesn't require extra supplements, like Jacks... says hydro, but works perfectly fine in soil too -- not hot soil.. wait for the plant to eat up nutrients as you would befor fertilizing with anything. won't need anythign else 99% of the time. doesn't have to be a jack's brand... but anything like it is going to be the same if you read the label and ensure it is so.