๐ŸŒ Worldwide shipping ยท 30-day returns ยท Rated Excellent on Trustpilot โ˜…โ˜…โ˜…โ˜…ยฝ
Price
$22.99
Calcium Carbonate Limestone Chalk Powder, Substrate for Plants/Homebrewing (500g) โ€” image 1
Multi-Purpose FertilisersGenericโœ“ In stock

Calcium Carbonate Limestone Chalk Powder, Substrate for Plants/Homebrewing (500g)

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$22.99

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Size: 500g
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About this item
  • Grade: Fertiliser Grade, Super Fine Powder.
  • Soil Health: Corrects soil acidity, balances pH, and enhances nutrient availability for healthy plant growth.
  • Mushroom Cultivation: Perfect for grain spawn, sawdust, straw, coffee grounds, and other substrates, providing pH buffering and nutrient balance.
  • Essential Nutrients: Strengthens plant cell walls, prevents calcium deficiencies, and improves crop productivity.
  • Heavy Metal Mitigation: Reduces heavy metal bioavailability in soil, protecting plants and the environment.
  • Animal Nutrition: Supplies high-purity calcium for optimal health in reptiles, poultry, farm animals, and household pets.
Product description

Product description High-quality Calcium Carbonate Powder, sourced from naturally occurring minerals. Ideal for gardening, agriculture, mushroom cultivation, homebrewing, and animal nutrition, it provides essential nutrients while adjusting and buffering soil pH for optimal growth conditions. Ingredients Calcium carbonate Directions For Soil Application: Apply 250g/mยฒ when digging soil. After digging, sprinkle additional powder onto the surface. For Mushroom Cultivation: Mix 2% Calcium Carbonate per volume weight of grain spawn and 5% per volume weight of substrate. Safety Warning May cause skin and eye irritation. Avoid contact with skin and eyes. Wash hands thoroughly after handling. Keep out of reach of children and pets. Do not ingest. In case of accidental ingestion, seek medical advice immediately.

Product details
Brand
Generic
Manufacturer
Betta Shrimp Shop
Size
500g
Part number
Calcium Carbonatre

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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