Red coloring for Hydrangeas

CALCIUM SULFATE
DYE FOR HYDRANGEAS WITH PINK, RED AND PURPLE INFLORESCENCE
The reddening for hydrangeas is a product based on calcium sulphate which raises the pH and provides calcium.
It is used to obtain and maintain pink, red and purple inflorescences.
WHEN IMPLANTING: use a neutral soil to which to add ARROSSANTE at a dose of 10 g per 4 liters of soil and water.
VEGETATIVE AND FLOWERING PHASE: spread 5 to 10 g per plant under the canopy, bury and water.

ATTENTION an excess of product would be harmful.