---
product_id: 609313117
title: "Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 gal."
brand: "botanicare"
price: "VT49187"
currency: VUV
in_stock: true
reviews_count: 8
category: "Botanicare"
url: https://www.desertcart.vu/products/609313117-botanicare-cal-mag-plus-calcium-magnesium-and-iron-plant-supplement
store_origin: VU
region: Vanuatu
---

# Supports all growth stages Optimized for reverse osmosis water 2-0-0 NPK formula Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 gal.

**Brand:** botanicare
**Price:** VT49187
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your garden game with the ultimate Cal-Mag boost!

## Quick Answers

- **What is this?** Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 gal. by botanicare
- **How much does it cost?** VT49187 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/609313117-botanicare-cal-mag-plus-calcium-magnesium-and-iron-plant-supplement)

## Best For

- botanicare enthusiasts

## Why This Product

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

## Key Features

- • **RO Water Ready:** Specifically designed to replenish nutrients lost in reverse osmosis water setups—never let your plants go thirsty for minerals.
- • **Growth Stage Guru:** Perfectly formulated for vegetative, transition, and bloom phases—grow like a pro all season long.
- • **Deficiency Defender:** Corrects calcium, magnesium, and iron deficiencies to keep your plants thriving.
- • **Foliar Boost Option:** Versatile application as a foliar spray for an extra growth kick when your plants need it most.
- • **Coco Coir Compatible:** Ideal for coco coir media, ensuring your substrate stays nutrient-rich and your roots happy.

## Overview

Botanicare Cal-Mag Plus 2-0-0 is a premium liquid supplement delivering essential calcium, magnesium, and iron to correct common plant deficiencies. Engineered for use in reverse osmosis water systems and coco coir media, it supports all growth stages and can be applied as a foliar spray, empowering growers to achieve healthier, more robust crops with expert-backed nutrition.

## Description

Botanicare® Cal-Mag Plus® 2-0-0 is a highly fortified calcium, magnesium, and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus® is strongly recommended when using reverse osmosis water, and when growing in coco coir based medias to compensate for natural calcium draw. Cal-Mag Plus® can also be applied as a foliar spray to further enhance growth. As plant cultivation experts, Botanicare® is dedicated to providing superior plant food, expert advice, and support to help growers produce better crops.

Review: Good source of Cal-mag - I use this cal-mag frequently. It is priced fairly and it will last you. When fed as instructed it will help you prevent purple vines. It is great on tomatoes as well.
Review: Use as directed. - This stuff works as it says. Very good product.

## Features

- Botanicare Cal-Mag Plus 2-0-0 is a highly fortified calcium, magnesium, and iron plant supplement
- Corrects common deficiencies
- Use during the vegetative, transition, and bloom stages of growth
- Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir based medias
- As plant cultivation experts, Botanicare is dedicated to providing superior plant food, expert advice, and support to help growers produce better crops

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVNNJB79 |
| Best Sellers Rank | #58,484 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,584 in Garden Fertilizers |
| Brand | Botanicare |
| Customer Reviews | 4.8 4.8 out of 5 stars (32) |
| Item Form | Liquid |
| Item Weight | 10.5 pounds |
| Item model number | HGC00022 |
| Liquid Volume | 1 Liters |
| Manufacturer | Hawthorne Hydroponics |
| Number of Items | 1 |
| Package Dimensions | 10.67 x 6.46 x 5.12 inches |
| Specific Uses For Product | Plant Growth, Soil Conditioning |
| UPC | 757900000318 |
| Unit Count | 128.0 Fluid Ounces |

## Product Details

- **Brand:** Botanicare
- **Item Form:** Liquid
- **Item Weight:** 10.5 Pounds
- **Liquid Volume:** 1 Liters
- **Specific Uses For Product:** Plant Growth, Soil Conditioning

## Images

![Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 gal. - Image 1](https://m.media-amazon.com/images/I/71gOMVjcB8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good source of Cal-mag
*by L***S on April 8, 2025*

I use this cal-mag frequently. It is priced fairly and it will last you. When fed as instructed it will help you prevent purple vines. It is great on tomatoes as well.

### ⭐⭐⭐⭐⭐ Use as directed.
*by M***O on August 2, 2025*

This stuff works as it says. Very good product.

### ⭐⭐⭐⭐⭐ Calcium magnesium is awesome
*by M***B on October 18, 2024*

It's a great product it's food for your plants it makes really healthy plants

## Frequently Bought Together

- Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 gal.
- Botanicare Silica Blast, Plant Supplement, 0-0-0.5, 1 gal.
- Botanicare Pure Blend Pro Grow, Nutrient, 3-2-4, 1 gal.

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**Shop now:** [https://www.desertcart.vu/products/609313117-botanicare-cal-mag-plus-calcium-magnesium-and-iron-plant-supplement](https://www.desertcart.vu/products/609313117-botanicare-cal-mag-plus-calcium-magnesium-and-iron-plant-supplement)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-04*