---
product_id: 153658540
title: "Organic Solution Grade Calcium 96 - Professional Grade Limestone Powder 325 mesh for Liquid, Drip or Spray Applications, 1 lb"
brand: "down to earth all natural fertilizers"
price: "S$34"
currency: SGD
in_stock: true
reviews_count: 8
category: "Down To Earth All Natural Fertilizers"
url: https://www.desertcart.sg/products/153658540-organic-solution-grade-calcium-96-professional-grade-limestone-powder-325
store_origin: SG
region: Singapore
---

# OMRI certified organic grade Ultra-fine 325 mesh water-soluble powder 96% pure calcium carbonate Organic Solution Grade Calcium 96 - Professional Grade Limestone Powder 325 mesh for Liquid, Drip or Spray Applications, 1 lb

**Brand:** down to earth all natural fertilizers
**Price:** S$34
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your garden game with pro-grade calcium — because your plants deserve the best!

## Quick Answers

- **What is this?** Organic Solution Grade Calcium 96 - Professional Grade Limestone Powder 325 mesh for Liquid, Drip or Spray Applications, 1 lb by down to earth all natural fertilizers
- **How much does it cost?** S$34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/153658540-organic-solution-grade-calcium-96-professional-grade-limestone-powder-325)

## Best For

- down to earth all natural fertilizers enthusiasts

## Why This Product

- Trusted down to earth all natural fertilizers brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Solubility:** Ultra-fine 325 mesh powder dissolves instantly for effortless foliar sprays, drip irrigation, or soil drenches.
- • **Fruit & Flower Power:** Enhances fruit firmness and prevents blossom-end rot, ensuring premium harvest quality.
- • **Precision Calcium Boost:** Delivers a potent 96% CaCO₃ formula to prevent deficiencies and supercharge plant vitality.
- • **Certified Organic Confidence:** OMRI listed for guaranteed compatibility with organic gardening and sustainable practices.
- • **Versatile Application Mastery:** Perfectly engineered for hydroponics, drip systems, foliar feeding, and traditional soil use.

## Overview

Down To Earth All Natural Fertilizers Organic Solution Grade Calcium 96 is a professional-grade, ultra-fine limestone powder with 96% calcium carbonate, designed for superior nutrient absorption. OMRI certified for organic use, it dissolves easily in water for versatile application via drip, spray, or soil, promoting healthy plant growth and preventing common calcium deficiencies like blossom-end rot.

## Description

desertcart.com : Down To Earth All Natural Fertilizers Organic Solution Grade Calcium 96 - Professional Grade Limestone Powder 325 mesh for Liquid, Drip or Spray Applications, 1 lb : Patio, Lawn & Garden

Review: Enhance Your Garden's Growth with Superior Nutrient Absorption for Healthier Plants! - I recently tried Down to Earth OMRI Organic Solution Grade Calcium 96 in my garden and I was really impressed with the results. This product is a finely ground natural limestone which provides a 96% calcium carbonate and 1% magnesium carbonate. It was easy to apply and I noticed a significant improvement in the overall health and growth of my plants shortly after using it. I particularly liked that it's OMRI listed, meaning it's approved for use in organic gardening. The fact that it is derived from a natural source and is compatible with my organic gardening practices is a big plus for me. Overall, I found it to be an effective and high-quality calcium supplement for my garden, and I would definitely recommend it to other gardeners looking to boost calcium levels in their soil.
Review: Its powder and good to mix - Exactly what expected

## Features

- High-Calcium Formula (96% CaCO₃): Delivers a concentrated source of calcium to prevent deficiency and support healthy plant growth.
- Solution Grade & Water-Soluble: Ultra-fine powder dissolves easily in water for foliar or soil applications.
- OMRI Listed for Organic Use: Approved for use in certified organic farming and gardening.
- Supports Fruit Quality & Cell Structure: Helps prevent blossom-end rot and promotes firm, healthy produce.
- Versatile Application: Suitable for drip systems, hydroponics, foliar feeding, or soil drenches.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #83,900 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,819 in Garden Fertilizers |
| Brand | Down To Earth All Natural Fertilizers |
| Customer Reviews | 4.4 out of 5 stars 91 Reviews |
| Item Form | Powder |
| Item Weight | 16 ounces |
| Liquid Volume | 16 Fluid Ounces |
| Manufacturer | Down To Earth All Natural Fertilizers |
| Specific Uses For Product | Plant Growth |

## Product Details

- **Brand:** Down To Earth All Natural Fertilizers
- **Item Form:** Powder
- **Item Weight:** 1 Pounds
- **Liquid Volume:** 16 Fluid Ounces
- **Specific Uses For Product:** Plant Growth

## Images

![Organic Solution Grade Calcium 96 - Professional Grade Limestone Powder 325 mesh for Liquid, Drip or Spray Applications, 1 lb - Image 1](https://m.media-amazon.com/images/I/61bUGehhnAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Enhance Your Garden's Growth with Superior Nutrient Absorption for Healthier Plants!
*by R***N on September 10, 2024*

I recently tried Down to Earth OMRI Organic Solution Grade Calcium 96 in my garden and I was really impressed with the results. This product is a finely ground natural limestone which provides a 96% calcium carbonate and 1% magnesium carbonate. It was easy to apply and I noticed a significant improvement in the overall health and growth of my plants shortly after using it. I particularly liked that it's OMRI listed, meaning it's approved for use in organic gardening. The fact that it is derived from a natural source and is compatible with my organic gardening practices is a big plus for me. Overall, I found it to be an effective and high-quality calcium supplement for my garden, and I would definitely recommend it to other gardeners looking to boost calcium levels in their soil.

### ⭐⭐⭐⭐⭐ Its powder and good to mix
*by C***C on September 16, 2025*

Exactly what expected

### ⭐⭐⭐⭐⭐ Calcium Review
*by W***W on July 28, 2023*

Easy to use and it works!

## Frequently Bought Together

- Down To Earth Calcium 96, 1 lb, Solution Grade, Organic, Fertilizer
- Down to Earth OMRI Organic Solution Grade Potassium Sulfate 0-0-50, 1 lb
- Down to Earth OMRI Organic Solution Grade Langbeinite 0-0-21.5, 1 lb

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-29*