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    • GCI Turf
  • Hit space bar to expand submenuFertilizers
    • Bundle & Save 20%
    • Granular Fertilizer
    • Liquid Fertilizer
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    • Seeding Support Packs
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    • Weed Control
    • Disease Control
    • Insect Control
    • Liquid Iron
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    • Backpack Sprayer
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    • GCI Turf
    • Jonathan Green
    • Seeding Support Packs
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  2. 0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
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0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer
0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer

0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer

  • $74.99
  • $64.99

SOP Sulphate of Potash 0-0-48 is a supplement specifically designed to be spread on lawns.

  • One 24 lb bag covers up to 12,000 sq ft
  • Analysis is 0-0-48 :: N-P-K
  • Great for lawns that are deficient in potassium

Product Description:
If you have a soil test that shows you are deficient in potassium (K) this is the perfect product to move you in the right direction. It is not designed to change the color of the lawn.


Sulfate of Potash (SOP) is a naturally occurring mineral that aids in overall plant vigor, disease resistance, and stress recovery. The analysis is 0-0-48 Sulfate of Potash which provides potassium in a low salt formula. This is a slow-release product due to being polymer coated which also cuts down on the dust that you may find with other products like this. This coating also adds an element of controlled release to the product. If you have looked at other Sulfate of Potash products online, you will find they are very dusty and many times are not prilled for easy lawn applications.

If you are looking to correct a severe deficiency, you do not have to correct this all in one month. Here are the steps we recommend:

  • Apply SOP every two to three weeks
  • Retest after the 2nd or 3rd application (wait 45 days after the last application before you retest).
  • If you still have a deficiency, apply more SOP 0-0-48 the following season.

You can apply this on both cool-season and warm-season lawns any time of year as long as the ground is not frozen.

Application Information:
Sulfate of Potash can be used on all grass types, such as the following:

Cool Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue (all fescues), Ryegrass
Warm Season Lawns - Bermuda, St Augustine, Zoysia, Centipede, Bahia

 Coverage

A 24 lb bag covers 12,000 square feet

Application  Details

Apply at 2 lbs per 1,000 square feet of lawn area


Can be applied every 2-3 weeks as needed

Water-In  Instructions

Apply to a dry lawn, and water into turf within the first 48 hours with 1/4" of rainfall or irrigation


Sweep excess off sidewalks and driveways to avoid staining

Product Resources:

  • Label: Sulphate of Potash PDF Label
  • Spreader Settings: Granular Fertilizer Spreader Settings
  • Package Includes: 1 - 24 lb. bag
  • Storage: Store in dry conditions away from moisture. Can be stored for up to 2 years.
Shipping Costs

Included for most states within the U.S.

NO P.O. Boxes

$9.95 for CA, WA, ID, UT, NV and OR

State Restrictions

Alaska (AK), and Hawaii (HI)

Stickers

Yes, free stickers with this item

Typical Delivery Time

4 - 7 business days

Product Type

Granular

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All sales are final, no cancellations, returns, or exchanges

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