---
product_id: 605634926
title: "Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL)"
brand: "tps nutrients"
price: "193.50 DT"
currency: TND
in_stock: false
reviews_count: 8
category: "Tps Nutrients"
url: https://www.desertcart.tn/products/605634926-organic-cal-mag-oac-plant-nutrient-and-supplement-plus-iron
store_origin: TN
region: Tunisia
---

# Ultra High Bio-Availability Sustainably Made in USA 100% Organic Chelated Nutrients Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL)

**Brand:** tps nutrients
**Price:** 193.50 DT
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Elevate your grow game with nature’s most potent Cal-Mag boost!

## Quick Answers

- **What is this?** Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) by tps nutrients
- **How much does it cost?** 193.50 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/605634926-organic-cal-mag-oac-plant-nutrient-and-supplement-plus-iron)

## Best For

- tps nutrients enthusiasts

## Why This Product

- Trusted tps nutrients brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Deficiency Defense:** Prevents common growth issues ensuring strong stalks and lush leaves at every stage.
- • **Pure Organic Power:** Only fully organic Calcium & Magnesium source for vibrant, healthy plants.
- • **Universal Compatibility:** Seamlessly integrates with all nutrient systems and growth mediums.
- • **Eco-Conscious Excellence:** Crafted by plant scientists in Seattle with premium, sustainable ingredients.
- • **Maximized Nutrient Uptake:** Micro-chelated with organic acids for lightning-fast absorption and growth.

## Overview

TPS Nutrients Organic Cal-Mag OAC is a premium 8 oz plant supplement delivering fully organic, micro-chelated calcium, magnesium, iron, and micronutrients. Engineered for superior bio-availability and compatibility, it prevents growth deficiencies and supports robust plant health across all stages. Made sustainably in the USA, it’s the go-to choice for conscientious growers seeking maximum yield and vitality.

## Description

TPS Nutrients CalMag OAC is the only fully organic source of Calcium and Magnesium available in the agriculture and hydro industry. It provides the highest bio-availability with our 100% Organic Acid Complex to naturally chelate minerals. CalMag OAC improves stalk and leaf growth and prevents common deficiencies and includes a full array pof micronutrients. Fully compatible with all growth mediums and can even be applied as a foliar spray for rapid uptake. -- Other common cal-mag brands fill their bottles with diluted industrial grade chemicals. TPS's scientific approach sources only the highest grade minerals and plant nutrients to ensure healthy growth. TPS's CalMag OAC is incredibly energy dense with low use rates. The only brand that is fully and organically chelated for superior uptake and bio-availability.

Review: So good! - This taste so good and it’s so easy, and nice. I love this will be buying more.
Review: Organic Cal Mag - Took about a week or so before it arrived, but that's ok. So did everything else I had ordered from other sellers. Now, the bottle looks smaller than I had imagined, but it was the right oz's. Anyway, I really love this so far. 3/4 thru my grow and everything looks beautiful and healthy. I don't say that lightly.... I use just 4ml per gal of water for almost every watering. I will gladly pay the price and order another one. I'm not gonna get the big bottle because this 8oz will carry thru the whole grow. I have new fresh stuff for the start of every grow

## Features

- ORGANIC CALMAG FOR ALL PLANTS: Organic Calcium, magnesium, and micronutrients micro-chelated with Organic Acids for bio-availability.
- PREVENTS COMMON GROWTH DEFICIENCES: Apply CalMag in every stage of growth for strong stalk and leaf health. Use at 1-2mL per gallon.
- COMPATIBLE WITH OTHER NUTRIENTS: 100% Compatible with other nutrient systems, and can actually help make other minerals more Bio-Available.
- HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: TPS’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower.
- FORMULATED AND MADE IN THE USA: Designed by sustainability conscious plant scientists and craft growing enthusiasts in Seattle, WA. TPS chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best nutrient systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0CT671SJR |
| Best Sellers Rank | #226,616 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3,627 in Garden Fertilizers |
| Customer Reviews | 4.4 4.4 out of 5 stars (61) |
| Date First Available  | January 25, 2024 |
| Manufacturer  | TPS Nutrients |
| Product Dimensions  | 1.5 x 1.5 x 6 inches; 10.55 ounces |

## Product Details

- **Brand:** TPS NUTRIENTS
- **Flavor:** Organic
- **Item Form:** Liquid
- **Primary Supplement Type:** Calcium
- **Unit Count:** 8.0 Fluid Ounces

## Images

![Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) - Image 1](https://m.media-amazon.com/images/I/615TipjMS+L.jpg)
![Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) - Image 2](https://m.media-amazon.com/images/I/61HqSzPDuzL.jpg)
![Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) - Image 3](https://m.media-amazon.com/images/I/61TGmS3qmuL.jpg)
![Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) - Image 4](https://m.media-amazon.com/images/I/61sBTlJ9fcL.jpg)
![Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL) - Image 5](https://m.media-amazon.com/images/I/717HpxsOXtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ So good!
*by N***D on February 13, 2025*

This taste so good and it’s so easy, and nice. I love this will be buying more.

### ⭐⭐⭐⭐⭐ Organic Cal Mag
*by G***. on April 26, 2025*

Took about a week or so before it arrived, but that's ok. So did everything else I had ordered from other sellers. Now, the bottle looks smaller than I had imagined, but it was the right oz's. Anyway, I really love this so far. 3/4 thru my grow and everything looks beautiful and healthy. I don't say that lightly.... I use just 4ml per gal of water for almost every watering. I will gladly pay the price and order another one. I'm not gonna get the big bottle because this 8oz will carry thru the whole grow. I have new fresh stuff for the start of every grow

### ⭐⭐⭐⭐⭐ Must have.
*by R***D on December 14, 2025*

Almost a must have for flowering !

## Frequently Bought Together

- TPS NUTRIENTS Organic Cal-Mag OAC Plant Nutrient and Supplement, Plus Iron and Micronutrients 8 oz (250mL)
- TPS NUTRIENTS Silica Gold Plant Strength Nutrient and Supplement with Bioavailable Silicon 8 oz (250mL)
- Signal Terpene Enhancer Plant Nutrient and Supplement, Flower Hardener and Increases Flavor by TPS Nutrients, 8 oz (250mL)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-10*