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Hydrangea Colourant

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Westland Hydrangea Colourant contains a combination of iron and aluminium salts. This acidifies the soil to change pink flowers to blue. This also helps rooting and establishment of cuttings.

  • Changes flowers from pink to blue
  • Acidifies the soil to produce blue flowers
  • A combination of iron and aluminium salts
  • Can be added to alkaline soil to change pH.
  • Easy to use