99.5% Sulphur Granules
CAS  7704-34-9 
Commercially free of arsenic, selenium and tellurium
Can be used to correct alkali, saline, and high pH soils by lowering soil pH through acidification.
Available in 1 Kg containers
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99.5% Sulphur Granules (CAS  7704-34-9)  Elemental sulfur is a secondary macronutrient that can be used in incomplete soils or to lower the pH of alkaline soils for acid loving plants such as azaleas and blueberries.
 
To Use: Using a soil testing kit, test various areas of soil to find out if you have a sulphur deficiency. From there, you can calculate how much you will need to adjust your soil's sulphur content (there are calculators online which can measure this for you based on existing pH, soil type, and square footage). After calculating how much you need, you can sprinkle sulphur pellets on top of the soil and using a rake, distribute it evenly. Take caution in adding sulphur as too much too quickly can cause plants to die. Note that this process will take quite some time to take full effect (up 6 months to a year, depending on the soils deficiency).