【READY TO STOCK】 Blue-Max 绣球专用 硫酸铝调色肥 调蓝剂 Baja Pewarna Bunga Tiga Bulan Aluminium Sulphate Hydrangea Blue Fertilizer Product Detail : 可以长效和持续补充土壤铝元素。调节土壤酸碱将铝元素转变为易吸收的的铝离子，促使绣球花生产出绚丽的蓝色 Provides long-lasting and consistent supplementation of soil aluminum. Adjusts soil pH to convert aluminum into easily absorbed aluminum ions, encouraging hydrangeas to produce a brilliant blue color! How To use:
