Close-Up of Gypsum Powder – Fine, highly soluble gypsum powder for fast calcium and sulfur delivery to plants

1kg Gypsum Solution Grade – Water-soluble calcium and sulfur powder to improve soil health and plant nutrition

2kg Gypsum Solution Grade – Fast-dissolving gypsum powder for correcting calcium and sulfur deficiencies in soil

10kg Gypsum Solution Grade – Bulk calcium and sulfur supplement for improving soil structure and plant vitality

20kg Gypsum Solution Grade – High-purity, water-soluble gypsum for soil conditioning and nutrient availability

Gypsum Solution Grade

Name: Gypsum Solution Grade
Brand: Optimize Organics
Price: 9.0 CAD
Availability: InStock

$9.00

Shipping calculated at checkout.

Size

1KG

2KG

10KG

20KG

Quantity

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Gypsum Solution Grade

Calcium & Sulfur Supplement • Soil Conditioner • Water-Soluble for Easy Application

This highly soluble, solution-grade gypsum is perfect for fast nutrient delivery and improving challenging soil conditions. Mined and processed for exceptional solubility, this fine-grade calcium sulfate corrects calcium and sulfur deficiencies and is easily applied through irrigation systems, foliar sprays, or directly to soil.

Key Benefits

🌱 Corrects Calcium & Sulfur Deficiencies
Provides essential nutrients to improve plant cell structure and support healthy growth.

🌾 Improves Problematic Soils
Remediates alkaline, acidic, saline, and compacted clay soils, enhancing overall soil health and structure.

🦠 Promotes Microbial Activity
Encourages beneficial soil microbes, leading to better nutrient cycling and stronger plant vitality.

🍓 Enhances Fruit Quality & Flavor
Helps reduce fruit shrinkage and supports robust flavor development in fruits and flowers.

💧 Highly Soluble & Easy to Apply
Dissolves quickly for use in sprayers, drip irrigation, and sprinkler systems without clogging.

📖 Application Guidance

For best results, always perform a soil or plant tissue analysis before application. This ensures proper nutrient management and prevents over-application.

Application Rates

Garden & Soil Application

Apply 50–400 g per 10 m² (100 ft²) and water in well.
Repeat as needed based on soil test results.

Soil Drench

Mix 1–5 g per litre of water.
Apply as needed based on soil conditions.

Foliar Spray

Mix 0.5–1 g per litre of water.
Apply evenly to foliage, ensuring thorough leaf coverage.

Fertigation

Compatible with drip and sprinkler irrigation systems.
To prevent scale buildup, ensure water pH is 6.5 or lower before mixing.

Guaranteed Analysis

Calcium (Ca): 23%
Sulfur (S): 18%
Gypsum (CaSO₄·2H₂O): 97%

This product complies with Canada’s Organic Production Systems General Principles & Management Standards and Permitted Substances Lists (CAN/CGSB-32.310-2021 CAN/CGSB-32.311-2020)