Tinyroots Horticultural Charcoal Aggregate

No, you do not need to rinse it. This product comes pre-washed and screened, so it is ready to use straight out of the bag.

While you can use it as a top dressing or a drainage layer at the bottom of a pot, it is primarily designed to be mixed into your existing soil or substrate blend to improve aeration and drainage.

The porous structure of the charcoal increases airflow within the soil, which helps prevent waterlogging and root rot. Additionally, it acts as a natural filter, absorbing toxins and neutralizing chemicals from tap water or fertilizers that can otherwise stress your plants.

Yes, it is an excellent choice for terrariums. Because it helps absorb odors and reduces the growth of mold and mildew in humid, enclosed environments, it is a standard component for maintaining a healthy terrarium ecosystem.

Horticultural charcoal generally helps create a more balanced and stable pH environment for your plants, rather than drastically shifting it. It acts as a buffer, which is particularly helpful for sensitive plants like orchids and succulents.

A common ratio is to mix about 10% to 20% charcoal into your potting soil. You can adjust this amount based on your plant's specific drainage needs—use more for moisture-sensitive plants like succulents and less for those that prefer consistent moisture.