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Blue coloring for Hydrangeas
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DYE FOR HORTENSIA WITH BLUE INFLORESCENCE
The Brightener for Hydrangeas is a product based on aluminum sulphate, it acts by lowering the pH and providing soluble aluminum which makes it possible to obtain blue-blue inflorescences which, once obtained, can be maintained with continuous use.
TO THE PLANT: plant on acidic soil, add 10 gr per liter of soil to the soil.
VEGETATION: spread 30 gr per square meter, bury and irrigate.
INFLORESCENCE: 20 g in 10 liters and irrigate, to be repeated every 15 days (maximum 3 times).