PLEASE NOTE: Suggested mix rates are based on a constant liquid feed (CLF) and may need to be adjusted based on source water quality and feeding frequency. Having trouble? Give us a ring, that's where we shine. That's right, we actually have real people here to listen and help you decide which formula is right for your growing environment. Some say it's as easy as ABC or 123 but we know that it's not. Our highly trained and personalized technical staff will answer your questions and walk you through everything you need to know from result interpretation from our onsite lab, to formula choice and to mixing advice. Reach out to us at 866-522-5752 or email us at info@jacksnutrients.com.