Fine Lava Rock Keep all your plants healthy! R&R SHOP Fine Lava Rock for Plants, 0-8mm, 100% Natural PH Neutral, Ideal for Germination, Ventilation Improving Plant Growth 1L PLANTS: With its properties our Lapillus allows a high Absorbent Power, reducing the frequency of Watering and storing the Nutrient elements given by Fertilizers and Fertilizers without modifying the PH and Oxygenating the Roots. Particularly useful in the early stages of growth and cutting. Suitable for hydroponic systems for a 100% Natural Substrate.USE: For an ideal mix, add 10-20% of Lapillus based on the need for aeration of the ground.SMALL DIMENSIONS: Thanks to its small size (1L), it is comfortable and practical to use, taking up very little space.
eBay