Practical, pre-measured, light and easy to store, these compost plugs are enriched with fertiliser. After moistening, each plug provides around 1 L of very high quality compost, both loose and lightweight, which ensures good ventilation for the roots and improves water absorption. They are very clean to use, even indoors. Easy to transport, but also easy to use and store. Set of 9 plugs. Keep for a long time. PH neutral between 5.4 and 6.2.