why using frass?

Mealworms are digestive powerhouses.

Because insect frass is made entirely from digested plants, it is full of the nutrients that plants require to grow robustly, plus millions of beneficial microbes from the guts of insects. It also contains large quantities of Chitin, which triggers the immune systems of plants causing them to rev up and defend themselves against predators like root-feeding nematodes and disease pathogens in the soil. 

  • Supports plant growth under stress
  • Beneficial microbes for plant growth and production
  • No nitrates, no heavy metals, methane, or nitrous-oxide emissions
  • Neutral pH
  • Dry powder is easy to apply
  • Water-soluble for use in hydroponics and fertigation
  • Contains chitin
  • No odour
  • No burn

Frass does nothing but fertilise and boosts the natural immune system of your plant, and it is both organic and completely natural.*

* Not a pesticide or fungicide, it will not bring new insects into your garden.

  • The most finely sifted frass in the market
  • Organically feed mealworms
  • Sterilised substrate
  • Calcium carbonate added


The frass produced as a result of insect production contains nitrogen, therefore any application to land as a fertiliser will result in a nitrous oxide emission (both directly and indirectly through leaching and volatilisation of ammonia).

This nutrient’s main responsibility is to ensure that the plant is green. It is found in abundance in rainwater, especially rain that has fallen during a storm with much thunder and lightning, as well as in fertilisers and compost.



Also known as phosphates, this is a nutrient that is often missing in our soil. Its main function is to aid root and stem development. It is not efficient to apply this to the soil surface, as it does not leach into the soil well. As such, it is best to incorporate phosphates into the soil when planting.



Another name for potassium is potash, and it aids plants with the production of flowers.

Potassium is a critical nutrient that plants absorb from the soil, and from fertiliser. It increases disease resistance, helps stalks to grow upright and sturdy, improves drought tolerance, and helps plants get through the winter.



Micronutrients are essential plant nutrients that are found in trace amounts in tissue, but play an imperative role in plant growth and development. Without these nutrients, plant nutrition would be compromised leading to potential declines in plant productivity. Of the 17 elements essential for plant growth, eight are micronutrients: boron (B), chlorine (CI), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), zinc (Zn) and nickel (Ni).


Chitin and Chitosan

Chitin is a promising soil addition for improving soil quality, plant growth, and plant resilience. Soil treatment with chitin has been shown to decrease the rate of infection of plant roots by nematodes and to increase disease suppressiveness against the fungal soil-borne pathogens Verticillium dahliae and Rhizoctonia solani. The mechanism behind this suppressiveness most often relates to a change in the microbiota in soil and rhizosphere...


Neutral Ph

The pH scale is measured from 0 to 14, with the sweet spot being right in the middle, or pH 7.

This neutral point means your soil is in ideal balance, thriving, and growing well.


Some Research Papers about Frass & his features.

A critical sustainable agricultural practice is using organic amendments, such as manure and compost, to improve soil health. Mealworm frass is an up-and-coming organic amendment that has the potential to improve sustainable agriculture.

Antagonism activity to promote plant growth and health.

Antagonism is when an organism suppresses or interferes with the growth of a plant pathogen, such as bacteria or fungi. This is important in controlling pests and is called biological control. In the case of insect frass, which is the waste product of insects, it can indirectly help plants defend themselves by triggering their natural defense mechanisms through the presence of chitin. Additionally, microorganisms in the frass produce enzymes that break down chitin, which helps the plant absorb minerals and nutrients.

Insect frass in the development of sustainable agriculture. A review.

The world population has increased very rapidly in the last century, from 1.6 billion people in 1900 to 7.0 billion in 2011. In this context, it is estimated that in 2050 the world population will reach 9.7 billion, with a consequent increase in the demand for resources such as water, food, and energy. Given this scenario, food production will need to increase by roughly 70% by 2050 and double or triple by 2100, while trying to decrease the environmental impact of food production activity (Chen et al. 2016; Crist et al. 2017).

5 Surprising ways mealworms can help your garden grow.

The mealworm isn’t just the larval form of the mealworm beetle; his frass it’s also an excellent organic fertiliser and natural bio-repellent that can help your garden grow! Whether you need to add nutrients to your soil or keep pesky animals out of your vegetable patch, these five surprising ways mealworms can help your garden grow will be sure to come in handy when you begin working with these amazing little critters.

The bacterial biota of laboratory-reared edible mealworms (Tenebrio molitor L.): From feed to frass.

[...] In the present laboratory study, the bacterial biota characterizing a pilot production chain of fresh T. molitor larvae was investigated. To this end, different batches of fresh mealworm larvae, their feeding substrate (wheatmeal) and frass were analyzed by viable microbial counts, PCR-DGGE and Ilumina sequencing.

Combination of Inorganic Nitrogen and Organic Soil Amendment Improves Nitrogen Use Efficiency While Reducing Nitrogen Runoff.

Improved nitrogen fertiliser management and increased nitrogen use efficiency (NUE) can be achieved by synchronising nitrogen (N) availability with plant uptake requirements. Organic materials in conjunction with inorganic fertilisers provide a strategy for supplying plant-available N over the growing season and reducing N loss. This study investigated whether a combined application of inorganic N with an organic soil amendment could improve nitrogen use efficiency by reducing N loss in runoff. Nitrogen runoff from a ryegrass (Lolium multiflorum) cover was investigated using a rainfall simulator. [...]

Increased Yield and High Resilience of Microbiota Representatives With Organic Soil Amendments in Smallholder Farms of Uganda.

[...] The plant and its highly diverse plant-associated microbial community, including bacteria, archaea, fungi, and protists, are nowadays recognized as holobiont (Vandenkoornhuyse et al., 2015). Essential functions are outsourced to symbiotic microbiota partners, and therefore plant-associated microbiomes play a key role in plant survival and health (Gilbert et al., 2012; Guttman et al., 2014).

Nutrient quality and maturity status of frass fertilizer from nine edible insects.

Insects are being used to turn cheap and low-quality organic material into good and affordable food, feed, fiber, and fertilizer. A lot of insects are being raised at the International Centre of Insect Physiology and Ecology (icipe) for this purpose. These include black soldier flies, crickets, mealworms, locusts, and beetles. The waste products from some of these insects, like the black soldier fly and mealworms, have been tested and shown to be very good for the soil, helping crops grow better and become more nutritious.

Insect frass and exuviae to promote plant growth and health.

Microbes are tiny living things that can help plants grow better or protect them from pests and diseases. Using these microbes can reduce the need for harmful chemicals on crops, making farming more sustainable. Insect poop and shed skins (exuviae and frass) contain nutrients that can improve soil quality and help plants grow. When added to the soil, they can also attract helpful bacteria that can protect plants from harm. As more insects are raised for food and other purposes, there is a lot of this insect waste that can be used to help crops grow without using harmful chemicals. By using these organic soil amendments, farmers can help create healthy soil and increase crop yields while protecting the environment.
Handmade by Entolab.
Secret Weapon of Prize Winning Growers
Premium Quality for Winning Growers
Premium Quality

Manually sifted, our Insect frass powder delivers a source of slow-release nutrition, beneficial microorganisms and potent growth stimulants, all in one.

Gentle to the Environment
Gentle to the Environment

Naturally produced Chitin triggers the immune systems of plants causing them to rev up and defend themselves against predators like root-feeding nematodes and disease pathogens in the soil.