Dennerle DeponitMix Black 10 in 1 multi-mineral plant nutrient substrate that ensures plants get off to a good start and develop strong roots, even in the case of the most delicate varieties. It can be used on its own or top-dressed with black (recommended) Dennerle Crystal Quartz gravel. Supplied ready to use. Available 2.4kg, 4.8kg and 9.6kg packs.
