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AgriCarb, Agricultural Carbon

16 reviews
20 items left


Particle size is 3 - 6mm.

Our AgriCarb-GAC is a low activation level granular activated carbon produced from macadamia nut shells using an autogenous steam activation process. Macadamia nut shells are sourced locally as a waste material from the annual harvest of macadamia nuts. AgriCarb-GAC is therefore produced from a sustainable and renewable source. The end product is a high-density carbon structure with a developed internal porous structure, lending itself towards adsorption processes.

Product Benefits

The addition of such a carbon to a soil adds multiple benefits:

  • Increased carbon content aids soil health through promoting microbial growth, both through providing a porous structure with a high surface area on which to seat, as well as providing high-purity carbon for cellular growth.
  • Further benefits are increased moisture.
  • Improved nutrient retention within the soils, where it remains accessible for growth for longer periods of time (high CEC value).

How to use

For soil mixtures intended for container plants including bonsai, add between 2 - 5% AgriCarb-GAC of the total soil volume.

To increase the yield of vegetables in the garden, add roughly 500g of carbon per m2 prior to planting, digging the carbon into the soil to a depth within reach of the plant roots. (You can also combine it with other soil amendments such as manure, compost or lime and work these in simultaneously.)

Carbon is not a substitute for a balanced fertilizer regime, however it does suspend available nutrients making them available to plant roots over an extended period.

Customer Reviews
5.0 Based on 16 Reviews
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Filter Reviews:
    Bonsai Tree AgriCarb, Agricultural Carbon ReviewBonsai Tree AgriCarb, Agricultural Carbon Review

    AgriCarb: Very Pleased

    I repotted my orchids in a mixture of bark, perlite and the agricultural carbon. So far my plants seem really happy and the charcoal provides great drainage so that the roots don’t stay soggy. I would definitely keep on using the agricultural carbon in the future when repotting my orchids. Definitely worth it!

    Brigitte W.
    South Africa South Africa

    Agricarb wow

    I bought this product because I was looking for a chunkier charcoal to add to my mix for my hoyas. This product does not disappoint and a little goes a long way! Will repurchase.

    Bernadette G.
    South Africa South Africa

    Fantastic substrate

    I used it as a filter under spagnum moss to rehabilitate a orchid that had rotten roots. Its works fantastic! Good price for a good quality product. Shipping was also fast and packaged well. Made me feel special <3

    Annaline S.
    South Africa South Africa

    AgriCarb, Agricultural Carbon

    From the year I started using it, foliage on all trees improved.It will always be a part of my mix. R.D.

    Rowan D.
    South Africa South Africa

    Brilliant Product

    Wonderful packaging and an excellent product. I used this in a substrate mix for my Vivarium. Quality!

    James M.
    South Africa South Africa