Neutralizes chlorine and heavy metals

For approximately 9000 liters of water

beds or as border planting

Plante i 9 cm potte

HORNUM Hortensia Blaa Kur 1,1 l. slyngplanter Neutralizes chlorine and heavy metalsHydrangea blue cure is a mineral mixture with aluminum sulfate that gives the beautiful blue color to the flowers. Also called color me blue for hydrangea. Apply twice during the growing season, just before flowering and in the middle of the flowering period. The 1. 1L bucket is enough for approximately 50 plants per season. Hydrangeas get the best blue color when the soil pH is slightly on the acidic side. Content: Aluminum sulfate 17 18%