New plants arriving daily


C.I.L Aluminum Sulfate


Product has been added.
Continue Shopping or View Cart
Add to Wishlist

 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%

Related Items

Dear customers: We may not be able to fulfill all items on your orders, due to unprecedented demand and limited plant availability. We ask for your understanding and patience. We are trying our best.