HORIZON inorganic trace elements Inorganic trace elements A complete range of mineral trace elements! Ideal fertilizers for prevention and treatment of plant hunger. Excellent quality! Horizon – Inorganic trace elements HORIZON ZINC SULPHATE 7Η2Ο CRYSTAL HORIZON BORON10 Η2Ο HORIZON ZINC SULPHATE 1Η2Ο GRANULE HORIZON BORON GRANULE HORIZON MAGNESIUM SULPHATE GRANULE FERTIPLAN BORON HORIZON IRON SULPHATE 1Η2Ο GRANULE