Impact Fertilisers Sulphate of Potash 25kg Fertiliser
Delivered prices are estimates — your exact freight is worked out on your postcode and confirmed at checkout before you pay. In-store is free pickup from our Gympie yard.
- Active ingredient
- Sulphate of Potash (potassium sulphate): K 41.5%, S 17% (typical analysis)
Impact Fertilisers Sulphate of Potash (SOP) provides both potassium and sulphur in soluble forms.
Typical analysis: N 0% | P 0% | K 41.5% | S 17%
- Contains no chloride. Low salt index. Good source of potassium and sulphur.
- SOP contains no chloride and hence has a much lower salt index than MOP.
- Where seeds or transplants are placed in direct contact with fertiliser, SOP is much less likely to cause root burn of plants.
Uses: where soils are saline or sodic and where irrigation water may have high chloride levels, and where chloride sensitive crops are being grown, for example berries and vines.
Nominal 2-4 mm particle sizing. 25kg bag.
Active Ingredient: Sulphate of Potash (potassium sulphate): K 41.5%, S 17% (typical analysis)
Common Questions
What does Sulphate of Potash supply?
SOP provides both potassium and sulphur in soluble forms. Impact's typical analysis is K 41.5% and S 17%.
Why choose SOP over MOP?
SOP contains no chloride and hence has a much lower salt index than MOP. Impact recommends it where soils are saline or sodic, where irrigation water may have high chloride levels, and where chloride sensitive crops such as berries and vines are grown.
Can it go in contact with seed?
Where seeds or transplants are placed in direct contact with fertiliser, SOP is much less likely to cause root burn of plants.
What size is the bag?
This is a 25 kg bag. Impact lists nominal 2-4 mm particle sizing.
Do you ship this product Australia-wide?
Yes, this product ships Australia-wide via road courier. It is too large or heavy for Australia Post. Call us on (07) 5482 1692 if you have any questions about delivery to your area.
Can I Click & Collect from Gympie?
Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.
