

Hero image 0 of Soil Doctor Organic Gypsum 1000 sq ft 40 lb, 0 of 2
Soil Doctor Organic Gypsum 1000 sq ft 40 lb
Key item features
- Nutrient Release: Releases an equal proportion of calcium and sulfate when dissolved, providing essential nutrients to the soil.
- pH Neutral: Increases calcium content in the soil without affecting its pH level, maintaining optimal growing conditions.
- Easy Application: Features a low-dust formulation and can be easily applied by hand or with a lawn spreader for user convenience.
- Soil Improvement: Effectively loosens clay and compacted soil, thereby improving the overall soil structure and aeration.
- Compost Aid: Helps aerate compost, accelerating the work of fungi and bacteria and reducing unpleasant odors.
- Targeted Benefits: Ideal for enhancing the growth of roses and tomatoes, and effectively repairs damage caused by salt and pets.
- Coverage Area: One 40 lb bag is designed to cover an area of 1000 square feet.
Generated by AI
Specs
- Fertilizer typeNatural
- FormLiquid, Pellets
- Rec. useGarden
- Rec locationIndoor
- Plant categoryGrasses, Fungi
- Plant nameRoses, Tomatoes
Current price is USD$47.81
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Mon, Feb 23
|Sold and shipped by Supply the Home
4.302282362506533 stars out of 5, based on 17219 seller reviews(4.3)17219 seller reviews
Free 30-day returns
More seller options (2)
Starting from $48.85
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About this item
Product details
Pelleted gypsum soil treatment. When dissolved it releases an equal proportion of calcium and sulfate. Increases calcium without effecting pH. Low in dust and easy to apply either by hand or lawn spreader. Loosens clay and compacted soil, improving the structure. Helps aerate compost allowing fungi and bacteria work quicker and reduce unpleasant smells. Ideal for roses and tomatoes. Repairs salt and pet damage. null - This item is banned in the following states: CA, WA, OR
- Releases an equal proportion of calcium and sulfate
- Increases calcium without effecting pH
- Low in dust and easy to apply either by hand or lawn spreader
- Loosens clay and compacted soil, improving the structure
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Showing 1-3 of 21 reviews
Jul 12, 2025
anonymous
5 out of 5 stars review
Verified Purchase
Solution for wet, clay soil.
Purchased to use in an area that is mostly clay and holding too much water around bushes. Seemed to be the best value when I compared similar products from Amazon, Westlakes, Lowe's and Home Depot. I just put the product out, so I don't know the final results, but it seemed to dissolve into the soil quickly when it came into contact with wet soil.
Incentivized Review
Helpful?3XA15M206OHC140850386
Sep 12, 2025
Ann
5 out of 5 stars review
Verified Purchase
This stuff is great. I planted new grass seed then used this. My seed came up fast and a nice green color
Incentivized Review
Helpful?3XA15M206OHC140850386
May 26, 2025
Sooz
5 out of 5 stars review
Verified Purchase
Good product and good value
This is my 2nd time using this brand and I find it to be effective, easy to apply and a good value overall. I checked Amazon and Lowe's and was pleasantly surprised Walmart had the best and most convenient deal going for pellatized gypsum.
Incentivized Review
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