The main benefits of adding horticultural charcoal to your bonsai soil mix is that it will hold on to water but allow excess water to drain away. At a deeper level, it also has the ability to hold on to fertiliser nutrients as well as creating an environment for beneficial fungii and microbial activity to occur.
Add up to 10% by volume of charcoal to your bonsai mix when repotting your trees.
Our horticultural charcoal is from a UK sustainable source and is graded to a grain size of between 2mm and 8mm. It may contain small levels of duct due to packing and shipment but it can be used straight from the bag.
This products is supplied in 1 litre bags for convenient and cost effective use, it can go a surprisingly long way.For information on bonsai soil substrates and indicative mixes for your trees, take a look at our bonsai soil substrates article.