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Item #:
69188343
Greenway Biotech, Inc. Gypsum Powder Calcium Sulfate to Improves Soil Drainage & Soil Water Relations- 100% Water Soluble Contains 97% Calcium
89% of respondents would recommend this to a friend
Item #:
69188343
GBP 36
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GBP 36
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If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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Greenway Biotech gypsum for soil reduces surface water runoff thereby reducing phosphorus and nitrogen loss, improves the soil drainage, and is perfect for plant growth.
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What Stands Out
Enhanced Soil Drainage
This gypsum powder significantly improves soil drainage, promoting better water distribution and healthier root development for plants.
100% Water Soluble
Easy to use, this product dissolves completely in water, ensuring rapid absorption of nutrients into the soil and supporting efficient plant growth.
Nutrient-Rich Formula
Containing 22.5% calcium and 18% sulfur, it provides essential nutrients that improve soil health and support vibrant plant life.
Product Details
- Contains 97% Calcium Sulfate Dihydrate, 22.5% Calcium, and 18% Sulfur
- Improves soil drainage, water relations, and moisture retention
- Reduces surface water runoff, phosphorus and nitrogen loss
- Supplies bio-available calcium and sulfur for proper plant growth
- Regulates micronutrient balance and calcium-to-magnesium ratio in soils
- Registered through the California Department of Food and Agriculture for top quality, heavy metal free
| Brand Name | Greenway Biotech, Inc. |
| Model Number | Greenway Biotech |
| Number of Packs | 1 |
| Manufacturer | Greenway Biotech, Inc. |
| Number of Items | 1 |
| UPC | 018227120319 |
| Unit Count | 16 Ounce |
| Part Number | Parent_Gypsum |
| Item Form | Powder |
| Specific Uses For Product | Plant Growth |
| Application Method | Broadcast |
| Coverage | Medium |
| Target Species | plants |
| Item Weight | 16 ounces (453.6 grams) |
| Mixing Ratio | 1:0:0 |
| Brand | Greenway Biotech, Inc. |
| Package Weight | 5.2 Pound (2.36 kg) |
Who Should Buy?
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Garden Enthusiasts
Ideal for gardeners seeking to improve soil drainage and enhance overall plant health.
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Agricultural Farmers
Beneficial for farmers aiming to optimize soil conditions for better crop yields and growth.
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Landscapers
Perfect for landscapers working on projects requiring improved soil structure and water retention.
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Heavy Clay Soil
Not suitable for heavily compacted clay soils that require different soil amendments for improvement.
Product Description
Greenway Biotech, Inc. Gypsum Powder Calcium Sulfate to Improves Soil Drainage & Soil Water Relations- 100% Water Soluble Contains 97% Calcium Sulfate Dihydrate, 22.5% Calcium, 18% Sulfur (1 Pound)
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Customer Questions & Answers
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Question:
What is Greenway Biotech Gypsum Powder Calcium Sulfate?
Answer: Greenway Biotech Gypsum Powder Calcium Sulfate is a highly effective soil amendment that improves soil drainage and water relations. Composed of 97% calcium sulfate, this product is 100% water-soluble, which allows for rapid absorption and utilization by plants. Using gypsum in your soil enhances nutrient availability and prevents issues such as compaction and waterlogging. For instance, if your garden soil tends to retain excess moisture, incorporating this gypsum powder will help promote better drainage, resulting in healthier plants. -
Question:
How does gypsum powder improve soil drainage?
Answer: Gypsum powder improves soil drainage by breaking down compacted soil structures, allowing water to flow more freely through the soil profile. It enhances the soil's physical properties, such as porosity and aeration. This is particularly beneficial in clay-heavy soils, where water tends to pool and adversely affect root health. For example, using gypsum on crop fields that experience waterlogging can lead to improved yield and healthier root systems, optimizing growth conditions in challenging soil types. -
Question:
Can gypsum powder be used in vegetable gardening?
Answer: Yes, gypsum powder is excellent for vegetable gardening as it improves soil quality and enhances root development. The calcium in gypsum helps strengthen cell walls in plants, contributing to overall health and vitality. If you're growing root vegetables like carrots or beets, mixing gypsum into the soil will promote larger, more robust root systems and prevent stunted growth caused by compacted soils. This, in turn, can lead to a more productive vegetable garden. -
Question:
Is the gypsum powder safe for all plants?
Answer: Greenway Biotech Gypsum Powder is safe for most plants, including vegetables, flowers, and shrubs. It provides essential calcium without altering the pH of the soil significantly, making it an ideal amendment for a wide variety of plants. However, over-application can lead to excess sodium in the soil, which may be harmful to sensitive plants. Therefore, it’s advisable to follow recommended application guidelines to ensure the best outcomes for your garden. -
Question:
How often should I apply gypsum powder to my soil?
Answer: The application frequency of gypsum powder depends on the initial soil condition and the specific plants you are growing. Typically, applying gypsum once or twice a year is ideal for maintaining optimal soil health. For already compacted soils or areas with drainage issues, more frequent applications may be necessary. For instance, if you're preparing a new garden bed, a generous initial application can set the stage for better long-term growth and drainage. -
Question:
What makes Greenway Biotech Gypsum Powder preferable over other soil amendments?
Answer: Greenway Biotech Gypsum Powder is preferable due to its high purity of 97% calcium sulfate and its complete water solubility. This means it integrates quickly into the soil, making essential nutrients available to plants efficiently. Unlike lime, which can alter soil pH, gypsum focuses on enhancing soil structure without affecting acidity levels, making it suitable for a broad range of soils and plants. It’s an effective choice for both improving soil drainage and supplying necessary nutrients. -
Question:
Can I use gypsum powder in container gardening?
Answer: Yes, gypsum powder is suitable for container gardening. Adding gypsum to potting soil can improve aeration and water distribution in containers, preventing issues such as root rot that often occur in compacted or overly moist potting mixes. This is especially critical for container plants like succulents or herbs that require well-drained soil. Mixing gypsum into your potting media can help create a better environment for root development and plant growth. -
Question:
Does gypsum powder have any other benefits besides improving drainage?
Answer: Beyond improving drainage, gypsum powder offers several additional benefits, including reducing soil salinity and enhancing nutrient uptake. It also helps mitigate soil erosion by stabilizing soil aggregates, fostering a healthier soil ecosystem. Moreover, gypsum provides calcium, which is vital for cell division and growth in plants, leading to stronger structures and improved yields. For example, using gypsum can result in better fruit quality in crops that are calcium-sensitive, like tomatoes and peppers. -
Question:
What is the recommended application rate for gypsum powder?
Answer: The recommended application rate for gypsum powder can vary based on soil type and specific crop needs. A general guideline is to apply 1 to 2 pounds per 100 square feet of garden space, adjusting according to soil tests or specific plant requirements. To achieve optimal effects, you can incorporate it into the top few inches of soil before planting. For long-term garden maintenance, consider reapplying gypsum annually to ensure continued soil health. -
Question:
Where can I buy Greenway Biotech Gypsum Powder Calcium Sulfate?
Answer: You can purchase Greenway Biotech Gypsum Powder Calcium Sulfate from Ubuy in UK. Ubuy offers a convenient online shopping experience, ensuring that you can easily find and order the product to enhance your soil's health and drainage. Their platform provides detailed product descriptions and customer reviews, helping you make an informed decision regarding your soil amendments.
Greenway Biotech, Inc. Fertilizers & Plant Food Editorial Review
Greenway Biotech Gypsum Powder is a mined calcium sulfate that is 100% water-soluble. The application rate depends on the quality of the soil and what you're growing but generally, 10 pounds can cover between 100 to 200 square feet. It can be used as a soil conditioner for plants such as tomatoes, squash, pumpkins, corn, peppers, okra, and zucchini. Gypsum is often used in its dry form, but it can be dissolved in water and sprayed on lawns or added to potting soil. Please note that this product is not food grade. Customers have found this product to be of excellent quality and great value for money. It produces great results and has not caused any plant problems. Customers can't get enough of the results as they've noticed an increase in the strength and taste of their plants, particularly their tomatoes.
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Pros
- Fast delivery
- Mined calcium sulfate making it a quality product
- 100% water-soluble
- Highly effective in treating ailments in plants
- Versatile, usable in its dry form or dissolved in water
Cons
- Not food grade
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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GBP 36
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Order now and get it around Tuesday, September 15
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Features & Benefits
- 97% Calcium Sulfate Dihydrate, 22.5% Calcium and 18% Sulfur
- Improves soil drainage and water relations
- Remediates alkaline, sodic or saline soils
- Reduces surface water runoff to keep soil fertile and healthy
- Supplies bio-available calcium and sulfur
- Regulates the balance of micronutrients in plants
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