Solabiol Arbrex Seal & Heal is the go-to solution for pruning cuts on your trees. Made from a natural resin, it not only cures the pruning cuts, but also protects againsts diseases such coral spot and from frost as it can be used in temperatures as low as -10C. Seals and heals pruning cuts on all types of trees.Protects against ingress of diseases and harmful pests e.g. coral spot, silver leaf, etc.Protects from frost and can be used down to -10C.Suitable for organic gardening.