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C.I.L Aluminum Sulfate


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 C-I-L® Aluminum Sulphate allows acid-loving plants to thrive and increases their health by quickly lowering the pH and improving the overall growing conditions of the soil. 


  • Boost blue Hydrangeas
  • Acidifies soils
  • Fast-acting results

How to use

Potted plants

  • Dissolve 3 ml (3/5 tsp) per litre of water and water plants generously.
  • Repeat every 2-3 weeks. This is an effective rate to change hydrangeas to blue.


  • Rake into soil 5-8 cm deep at a rate of 1 kg (2.2 lb) evenly over 20 m2 (200 sq. ft.) or apply 125 ml (1/2 cup) to medium-sized plants.
  • Ensure you apply to the area surrounding the plant and not against the stem.
  • Reapply every 3-4 weeks.

Guaranteed minimum analysis

Aluminum (Al): 17%
Sulphur (S): 16%
Neutralizing value (HCI equivalent): 36%

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