Ultragreen Vitamin B1 Plant Starter is applied for new plants and transplanting. It should be used in addition to a normal fertilization program.
The Ultragreen Vitamin B1 can be used in a hose end sprayer so long as it adjusts on its dial down to the amount required per gallon of water for the particular treatment area.
How you mix the Vitamin B1 Plant Starter will depend on what you are applying it to, ornamental shrubs, fruit trees, house plants, etc. Please refer to the product label for instructions for your particular use.