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Frequently Asked Questions

No! Humboldts Secret Supplies Starter Kit can be used in all grow mediums including soil, hydroponic systems, indoor plants, outdoor gardens, tower gardens and more!

Our Starter Kit will make between 125 and 150 gallons of nutrient solution.

Honestly, no! You need at minimum Base A&B plus Golden Tree to have a successful and healthy grow. Our additional additives are for use at your discretion, or are needed for certain growing mediums and hydroponic systems. We encourage you to play around with what works for you!

YES! All of our nutrients are meant to be used together, and can all be combined into the same gallon of water. Just remember to never combine nutrients together in their concentrated state to avoid nutrient lock out.