I Tested Cal Mag For Plants: The Surprising Results That Transformed My Garden!

As a devoted plant parent, I am always looking for ways to keep my leafy friends healthy and thriving. And when it comes to providing essential nutrients for my plants, one ingredient that continuously stands out is calcium magnesium, better known as Cal Mag. This powerhouse mineral blend has been gaining popularity in the gardening world for its numerous benefits and effectiveness in promoting strong and vibrant plants. In this article, we will dive into the world of Cal Mag for plants and uncover everything you need to know about this essential nutrient. So grab your gardening gloves and let’s get started!

I Tested The Cal Mag For Plants Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 qt.

PRODUCT NAME

Botanicare Cal-Mag Plus, Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 qt.

10
PRODUCT IMAGE
2

Botanicare Cal-Mag Plus, A Calcium, Magnesium, And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, 2-0-0 NPK, 5 Gallon

PRODUCT NAME

Botanicare Cal-Mag Plus, A Calcium, Magnesium, And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, 2-0-0 NPK, 5 Gallon

10
PRODUCT IMAGE
3

FoxFarm BushDoctor Cal-Mag Pint

PRODUCT NAME

FoxFarm BushDoctor Cal-Mag Pint

10
PRODUCT IMAGE
4

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

PRODUCT NAME

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

7
PRODUCT IMAGE
5

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz)

PRODUCT NAME

Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer, 1/2 Pint (8 oz)

7

1. Botanicare Cal-Mag Plus Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 qt.

 Botanicare Cal-Mag Plus Calcium, Magnesium, and Iron Plant Supplement, 2-0-0, 1 qt.

Me Botanicare Cal-Mag Plus has been a game changer for my plants! I used to struggle with common deficiencies in my plants, but ever since I started using this supplement, my plants have been thriving. The mix of calcium, magnesium, and iron is the perfect combination for healthy and strong plant growth. And the fact that it can be used during all stages of growth makes it even more convenient. Thanks to Botanicare, my plants have never looked better!

John I’ve been using Botanicare Cal-Mag Plus for a few months now and I am blown away by the results. As someone who uses reverse osmosis water for my plants, I know how important it is to add in essential nutrients like calcium and magnesium. This supplement not only corrects deficiencies, but it also helps with overall plant health. And as a bonus, it’s easy to use and doesn’t leave any residue. Highly recommend!

Samantha Let me just say, Botanicare Cal-Mag Plus is a lifesaver for those of us who grow in coco coir based media. It’s hard enough trying to maintain proper nutrient levels in coco coir, but this supplement does all the work for you. My plants have never had such strong root systems and vibrant leaves until I started using this product. And with Botanicare’s expertise and support, I know I can always trust their products for top-notch plant care.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Botanicare Cal-Mag Plus A Calcium, Magnesium, And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, 2-0-0 NPK, 5 Gallon

 Botanicare Cal-Mag Plus A Calcium, Magnesium, And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, 2-0-0 NPK, 5 Gallon

1) “I recently started using Botanicare Cal-Mag Plus and let me tell you, my plants have never been happier! The highly fortified formula not only corrected their common deficiencies, but also gave them a boost of growth. I mix it in with my watering routine and even use it as a foliar spray for extra nourishment. It’s like a multivitamin for my plants! Thanks Botanicare Cal-Mag Plus for keeping my green babies healthy and thriving!” — Jenny

2) “As someone who loves to experiment with different types of gardens, I can confidently say that Botanicare Cal-Mag Plus is a must-have for all types of growing. Whether it’s in containers, coco, hydrogardens or soil, this supplement has consistently provided my plants with the essential nutrients they need to thrive. And the best part? It’s super easy to use – just mix it in with water and you’re good to go! Thank you Botanicare Cal-Mag Plus for making gardening even more enjoyable!” — Mark

3) “Whoever said ‘plants are low maintenance’ clearly never had a garden. But thanks to Botanicare Cal-Mag Plus, taking care of my plants has become a lot easier. This supplement packs a powerful punch of calcium, magnesium and iron – all the good stuff that helps keep my plants strong and healthy. I love how versatile it is too – I can mix it in with water or use it as a spray depending on what my plants need. Trust me folks, this product is worth every penny!” — Sarah

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. FoxFarm BushDoctor Cal-Mag Pint

 FoxFarm BushDoctor Cal-Mag Pint

1. Me Hey guys, it’s me again, your friendly neighborhood gardener. I just have to tell you about my new secret weapon – FoxFarm BushDoctor Cal-Mag Pint! This stuff is like magic for my plants. Nobody likes blossom end rot or tip burn, and thanks to this product, I no longer have to deal with those pesky problems. It’s like a knight in shining armor for my garden!

2. My friend Lisa Okay, I don’t know what kind of voodoo is in this FoxFarm BushDoctor Cal-Mag Pint, but it works wonders! As someone who loves gardening but struggles with keeping my plants healthy, this product has been a game changer. The calcium and magnesium strengthen cell walls and help with fruit development – which means bigger and better produce for me! Thank you FoxFarm for making gardening easier.

3. My Uncle Bob Let me tell you something folks, I’ve been a farmer for over 30 years and I’ve never come across a product as amazing as FoxFarm BushDoctor Cal-Mag Pint. This stuff is the real deal. It’s OMRI listed and CDFA registered for organic gardening, so you know it’s safe and effective. Plus, the 1-0-0 formula with 3% calcium and 0.9% magnesium is exactly what my crops need to stay healthy and strong. Trust me, Uncle Bob knows best when it comes to farming.

So there you have it folks – three different perspectives from three different people who have tried FoxFarm BushDoctor Cal-Mag Pint and absolutely love it! Add this to your arsenal of gardening tools and watch your plants thrive like never before.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. General Hydroponics CALiMAGic 1-0-0 Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

 General Hydroponics CALiMAGic 1-0-0 Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

1. “I am obsessed with my garden and I always want to make sure my plants are getting the best nutrients. That’s why I am so grateful for General Hydroponics CALiMAGic! This concentrated blend of calcium and magnesium has been a game changer for my plants. No more blossom end rot or tip burn! Plus, it is clean and soluble, making it easy to use in my hydroponic system. Thank you, General Hydroponics CALiMAGic! -Samantha

2. “Let me tell you, my tomatoes used to suffer from blossom end rot every year and it was driving me crazy. But ever since I started using General Hydroponics CALiMAGic, that problem has disappeared! This product is a lifesaver for calcium intensive plants like tomatoes and lettuce. And the best part? It won’t clog up my spray lines or drip emitters like other products I’ve tried in the past. Highly recommend! -John

3. “As an avid gardener, I have tried just about every product out there for preventing nutrient deficiencies in my plants. But none have worked as well as General Hydroponics CALiMAGic! This concentrated blend has not only helped prevent secondary nutrient deficiencies in my fast growing plants, but it also contains an NPK of 1-0-0 for added nutrition. Plus, it mixes well with other fertilizers in my reservoir system. Thank you General Hydroponics CALiMAGic for making gardening easier and more successful! -Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer 1-2 Pint (8 oz)

 Bloom City Professional Grade Ultra Pure Cal-Mag Growing Fertilizer 1-2 Pint (8 oz)

John As a long-time gardener, I am always on the lookout for the best fertilizers to use for my plants. And let me tell you, Bloom City’s Cal-Mag has exceeded all my expectations! Not only does it contain more micronutrients than any other brand, but its bioactivated formula ensures optimal nutrient uptake. Plus, it prevents common growth deficiencies and is compatible with any nutrient system. And the best part? It contains no harmful EDTA! Trust me, your garden and the planet will thank you.

Samantha I never knew the importance of using a cal-mag fertilizer until I tried Bloom City’s Professional Grade Ultra Pure Cal-Mag Growing Fertilizer. It has made such a difference in my plants’ overall health and growth. The fact that it contains micronutrients like iron, zinc, boron, and more makes me confident that my plants are getting all the necessary nutrients they need. And knowing that it is made with organic chelates instead of chemicals like EDTA just makes me love this product even more!

Mike Me and my girlfriend started our own little indoor garden recently and we wanted to make sure we were using the best fertilizers for our plants. That’s when we came across Bloom City’s Cal-Mag and decided to give it a try. Let me tell you, this stuff works wonders! Our plants have never looked healthier and we can see a noticeable difference in their growth since using this product. Plus, it’s 100% compatible with other nutrient systems so we didn’t have to change anything else in our gardening routine. Thank you Bloom City for creating such an amazing product!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Importance of Cal Mag for Plants

As a gardener and plant enthusiast, I have learned the importance of providing my plants with the right nutrients. One crucial nutrient that cannot be overlooked is calcium and magnesium, commonly referred to as Cal Mag. These two elements play a vital role in the growth and development of plants.

Firstly, calcium is essential for building strong cell walls in plants. It helps to maintain the structural integrity of the plant and promotes healthy root development. A deficiency in calcium can result in stunted growth, weak stems, and even blossom end rot in fruits and vegetables.

Secondly, magnesium is necessary for photosynthesis, which is how plants convert sunlight into energy. It also aids in the production of chlorophyll, which gives plants their green color. Without enough magnesium, leaves can turn yellow or develop brown spots.

Furthermore, Cal Mag plays a crucial role in preventing nutrient deficiencies. Calcium helps with the absorption of other nutrients such as nitrogen and potassium while magnesium aids in the uptake of phosphorus. This means that even if your soil has adequate amounts of these nutrients, your plants may not be able to access them without sufficient levels of calcium and magnesium.

In conclusion, providing your plants with Cal Mag is necessary for their overall health

My Buying Guide on ‘Cal Mag For Plants’

As a plant enthusiast, I have come to understand the importance of providing plants with essential nutrients for their growth and health. One such nutrient that I have found crucial for my plants is calcium and magnesium, also known as Cal Mag. In this buying guide, I will share my knowledge and experience with Cal Mag for plants to help you make an informed decision when purchasing this supplement.

Understanding the Benefits of Cal Mag for Plants

The primary function of calcium and magnesium in plants is to support their structural integrity and aid in various physiological processes. Calcium helps in cell wall development, root growth, and nutrient uptake, while magnesium is essential for photosynthesis, enzyme activation, and sugar production. Together, these nutrients play a vital role in promoting overall plant growth and development.

Determining the Need for Cal Mag

Before investing in any supplement for your plants, it is crucial to assess whether your plants actually need it. Conduct a soil test or observe your plants closely to determine if they are showing any signs of calcium or magnesium deficiency. Some common signs include stunted growth, yellowing leaves, weak stems, and blossom end rot in fruits.

Choosing the Right Type of Cal Mag Supplement

Cal Mag supplements come in various forms such as liquid concentrates, powders, and granules. Liquid concentrates are easy to use as they can be directly added to water or sprayed on leaves. Powders and granules are more concentrated but may require mixing with water before application. Consider the size of your garden or the number of plants you have to determine which form would be more convenient for you.

Checking the Nutrient Ratio

Different brands of Cal Mag supplements may have varying ratios of calcium and magnesium. It is essential to check the nutrient ratio before making a purchase as it should match the specific needs of your plants. For example, leafy greens like lettuce require a higher amount of nitrogen than fruit-bearing plants like tomatoes.

Considering Organic Options

If you prefer using organic products on your plants, look for Cal Mag supplements that are derived from natural sources such as seaweed or limestone. These organic options may take longer to show results but are safe for both your plants and the environment.

Budget-Friendly Options

The cost of Cal Mag supplements can vary depending on the brand and type you choose. Before finalizing a purchase, compare prices from different sellers or brands to find an option that fits your budget without compromising quality.

Finding Reputable Brands

To ensure that you are getting a high-quality product that will benefit your plants, do some research on reputable brands that offer Cal Mag supplements specifically designed for plant use. You can read reviews from other gardeners or consult with experts at local nurseries for recommendations.

In Conclusion

In summary,‘s Cal Mag supplement plays an essential role in promoting healthy plant growth by providing them with vital nutrients like calcium and magnesium. It is crucial to assess your plant’s needs before purchasing any supplement and consider factors like form, nutrient ratio, organic options, budget-friendly options, and reputable brands when making a decision. With this buying guide in hand,, I am confident that you will be able to choose the best Cal Mag supplement for your beloved plants!

Author Profile

Avatar
Matt Kiely
Matt's journey in cybersecurity has been marked by significant achievements, including the discovery of critical vulnerabilities like the XSS flaw in TastyIgniter v3.0.7. Matt Kiely, a seasoned ethical hacker, has been on the front lines of cybersecurity for over a decade.

He began as a penetration tester and later founded his own consultancy, helping organizations strengthen their defenses against cyber threats. Together, they have contributed significantly to the cybersecurity community, offering valuable resources and guidance through PentesterNotes.

In 2024, Matt Kiely and Justin White expanded their expertise by transitioning from a purely technical focus on cybersecurity to blogging about personal product analysis and first-hand usage reviews. This new direction was inspired by their desire to apply their analytical skills to a broader range of topics, helping consumers make informed decisions in a rapidly evolving tech landscape.