Sometimes, in certain temperatures, water condensates between the peat bale and the plastic wrapping creating conditions that allow fungal growth. You may see white mould or yellow or orange powdery like growth on the surface of the peat. These fungi are not harmful to plants.
Loose substrates can be divided roughly into three different types according to fraction size or grade: coarse, medium coarse and fine.
The main raw material of Kekkilä Professional substrates is first-rate White or Brown Sphagnum peat harvested from our own bogs. This article covers the main advantages of peat in substrates.
Compressed peat based growing media require some loosening and preparation before taking them into use.
To ensure an optimum moisture content for filling pots and trays, you can conduct a simple check of the moisture level by hand.