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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.

Our shipments are sent with discreet packaging.

Yes. It can be used in any grow medium. 

You will want to pH test. The mix is generally within the right pH range without having to adjust much.

Yes, you will have the best looking tomatoes on the block!

Every time you water is best. You can use less often but there is no guarantee on the results. 

It works great in DWC

As long as they are properly stored with the lid securely tightened they will last for years.

That decision is up to you, but we do not see much of a difference in results from flushing or not. You can flush with water in the last week of flower if you want to.

Only Golden Tree could be considered organic. 

Typically less nutrients are used in DWC. If you grow in Hydroponics
it is recommended that you use Golden Tree at a lower dose and use
Plant Enzymes. We suggest you play around with the amounts of each
nutrient and find out what works best for your setup as there are
many variations to growing.

5 ml = 1 tsp.

We normally do not make recommendations, but our products were made
to be compatible with any growing mediums.

There could be a couple factors, both environmental and nutritional.
It’s best to email pictures in for personalized help.

You can use most of our products as a foliar spray. The Plant
Enzymes, Tree Trunk and Sweet & Sticky should be applied directly
to your root zone.

We typically do not recommend using the product on grass.

Our products are very concentrated and dosages are milliliters per
gallon of water. If you are wanting to try out our product first, the
Starter Kit 1 will make 125 - 150 gallons.

We do not recommend using the product line during this stage of

This is a personal preference, but we do recommend keeping your
nutrient solution always thoroughly mixed.

You can. If you’re reusing soil, we encourage you to use Plant
Enzymes as it will help break down dead root matter.

N-K-P is short for nitrogen
(N), phosphorus (P), and potassium (K) which represent the levels of
macro-nutrients. The higher the number, the higher the concentration
of nutrients is in the fertilizer.

There could be many different factors. A good start would be to look at your base nutes, potentially recalibrate your pen, and consider
the type of water that is being used.

We do not provide samples directly to customers. A request like this
would be better suited for one of our distributors like your local
grow show. If your shop doesn't have samples, we would be happy to
include them with their next order. You can have them reach out to us
at (858) 255-0576. Alternatively, we do have a 6 Month Satisfaction

Check out our website! All our products show the product label with
the ingredient breakdown.

No. Thaw out to use in its liquid form.

HSS has become an industry staple across the world and we take pride
as to how we make our products. If you are not satisfied with our
line, you are more than welcome to return the product within 6 months
of purchase for a full money back guarantee.

Visit our website to access our feeding chart and follow us on social
media for how-to’s!

Our products are compatible with any pH Up and Down solutions. When
using our products they should fall in the range of 1000-1300 PPM
(Hanna Scale - 2.0-2.6 in EC).

There is nothing hazardous or toxic in our products, but for safe
practice it would be best to keep your dogs away from the product. If
any issues arise contact your vet.

It’s best to mix less than more, as we do not recommend that mixed
products sit more than 1 week.

We don’t typically recommend the use of our products on grass.
However, you can use the products on trees, but the dosage will vary
depending on the size and age of the tree.

Our products will not clog drip systems, but if you have any
concerns, we recommend using Plant Enzymes.

Yes! As a standard practice we always suggest starting on 1-2 test
plants when trying out a new product, and start at a low dosage rate
then slowly increase to label strength.

Check out our store locator! Enter your zip code and see what stores
are near you.

We manufacture and distribute our products from in San Diego, CA and
for safety reasons, we do not have a storefront. All our products can
be purchased directly from us online.

Get your nutrients covered! We recommend starting off with Base A & B and Golden Tree


Yes, our product line can be combined with other nutrients and

Yes. 100% vegan.

Sweet & Sticky supports a thriving microbial population which in
turn will aid in your plants natural ability to enhance natural
flavor, aroma, and essential oils in all sorts of indoor and outdoor
plants thanks to its abundant source of carbohydrates, saccharide
energy, and microbe food.

Our products work especially well alongside a well-balanced
fertilizer to improve soil/foliar nutrient quality, giving you better
crop yields. By bettering the soil quality, the solution(s) will also
create better conditions for plants to establish themselves and
improve their abiotic stress tolerance and nutrient intake.


You can reach us via the “Contact Us” tab on our website and
someone from our team will be in touch.

You can reach us via the “Contact Us” tab on our website and
someone from our team will be in touch.

We ship out orders the same day or the next business day and use UPS
and USPS as our primary carriers.

For security purposes we do not take orders over the phone and all
orders must be placed online.

Depending on the size of the purchase we will use our primary
carriers, UPS and USPS. If a purchase is made where freight is
required we can accommodate this as well

We do! Fill out our commercial inquiry on our site, and we’ll take
it from there.

We welcome any business who would like to be part of our wholesale team and offer exclusive deals and benefits. Fill out a wholesale or commercial application today!

Yes! First step would be to fill our wholesale application on our
website. Once completed, we will reach out to discuss next steps.

You can reach us via the “Contact Us” tab on our website and
someone from our team will be in touch.

At this moment we do not.

Nutrients will help plants in times of frost if anything be stronger and be
able to withstand the frost more.

Most of our nutrients can be used when plants are very small.  The
smaller the plant and earlier it is in its life stages, the less nutrients you must use.  Overdoing it when they are small can kill them so if you are worried about that, it is best to feed them when they grow a few inches.