Humboldt Nutrients Liquid Underground is a worm casting extract specially derived from the best worm castings in the world, as well as bat guano and kelp. Rich in essential nutrients, organic acids, and beneficial organisms, the HN Liquid Underground provides gardeners with a bio-stimulant for soil organisms, as well as facilitating better plant nutrition and uptake.
Feeding schedule:
For Hydroponics:
Mix your normal nutrients solution and then add 10-15ml LIQUID UNDERGROUND per gallon of nutrient reservoir.
For Soil:
Add 10-20ml per gallon of water to your normal nutrient solution.
Foliar:
Add 10-15ml per gallon of water. Spray directly on plants during the evening or when lights are off.
For optimal results add LIQUID UNDERGROUND to your standard Humboldt Nutrients feeding schedule.
Derived from: Bat Guano, Earth worm castings, and kelp.
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Liquid (ml/l)
N-P-K / Micro-elements Nutrient
Yes
Day-to-day Solution
How to Use Liquid Underground
If you damaged the label or have not purchased the product yet, you can refer to the information found below to help you understand how to use Liquid Underground. If you are mixing your own nutrients, you can reference the NPK chart found below to help you identify the role of this nutrient product. The recommended feeding schedule for can be found below to help you understand the correct measurements of nutrients to use. The feeding schedule chart has been provided by Humboldt, the product manufacturer.
Liquid Underground NPK Chart
When combining nutrients, you will want to be conscious of their NPK contents as well as others. You can look at the contents of Liquid Underground using the chart below.
Liquid Underground Feeding Chart
Below you can find the recommended feeding chart provided by the nutrient company. To avoid hurting your plants, we recommend starting at a slightly reduced dosage and working up to the recommended dosage at a pace which you are comfortable with.
Humboldt Product Line
Take a look at complimentary nutrients which are also available from Humboldt. These products will compliment each other, or serve different purposes.
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