Are you trying to find calcium magnesium for plants among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling calcium magnesium for plants on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 23 calcium magnesium for plants tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best calcium magnesium for plants you can buy today
- SUPERIOR CAL-MAG - ENVY's CalMag+ is derived from a superior source of Ca, Calcium Nitrate. Most CalMag blends you will find are created by blending Calcium Chloride, which is less friendly for plants and hydro systems
- CONTAINS MORE MICRONUTRIENTS THAN ANY OTHER BRAND: Iron (Fe), Zinc (Zn), Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo), Sulfur (S)
- BIOACTIVATED FORMULA FOR OPTIMAL NUTRIENT UPTAKE: Calcium and magnesium, Micro-chelated with fulvic acid; if you google it youβll see why thatβs good
- PREVENTS COMMON GROWTH DEFICIENCIES: Apply Cal-Mag in every stage of growth for strong stalk and leaf health. Apply with every watering for the full benefit
- COMPATIBLE WITH ANY NUTRIENT SYSTEM: 100% compatible with other nutrient systems, and can help make other minerals more bio-available
- CONTAINS NO HARMFUL EDTA: Unlike other brands, Bloom City uses organic chelates and never uses chemicals like EDTA, Healthier for your garden and healtier for the planet. We choose only the highest quality ingredient sources and manufacturing methods to create the worldβs best craft growing nutrient systems
- Cal-Mag Supplement : 1 - 0 - 0, 3% Calcium 0.9% Magnesium
- Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems
- OMRI Listed and CDFA Registered for Organic Gardening
- Prevents blossom end rot or tip burn
- Twin Canaries Chart included with every order
- CALiMAGic 1-0-0 is a concentrated blend of readily available calcium and magnesium
- Prevents secondary nutrient deficiencies in fast growing plants
- Helps prevent blossom end rot and tip burn in tomatoes, lettuce, and other calcium intensive plants
- Will not clog spray lines or drip emitters and can be used in reservoirs combined with many other fertilizers
- Contains an NPK of 1-0-0
- CORRECT & PREVENT DEFICIENCIES: Feed CalMag to your plants as needed to prevent and correct common deficiencies such as blossom end rot and upward leaf curl.
- CALCIUM, MAGNESIUM, IRON SUPPLEMENT: CalMag provides plants with calcium, magnesium, and iron which are key elements in photosynthesis, absorption & transport of nutrients within the plant, and are vital to the healthy development of all varieties of plants.
- VERSATILE FORMULA: Can be fed to all varieties of plants growing in almost any type of garden such as hydroponic, soil, aeroponic, and all soil-less media! Blue Planet Nutrients CalMag supplement can be used along with other garden fertilizers and supplements.
- EASY TO USE: Simply dilute a small amount per gallon of water and water your plants! CalMag can also be used as a foliar spray and as a soak for coco coir prior to use as a hydroponic growing medium.
- BLUE PLANET NUTRIENTS: Trusted brand from Houston, TX providing high quality, professional grade garden fertilizers and supplements since 2010.
- π±π ππππ & π πππππ ππππππ: Our eggshells are totally natural, unbleached, and free from any impurities. With a meticulous cleaning process that ensures uniform sizes, our product is exceptionally safe for both plants and animals. Please note that our eggshells are finely ground but not powdered; therefore, they are referred to as ground eggshell rather than eggshell powder.
- π±π πππππππ πππππππ πππ πππ πππππππππ: Rich in nutrients, eggshells help balance pH levels and increase porosity, protecting flower plants from root rot. It provides essential calcium and promotes the development of strong roots, including calcium for tomatoes plants. Thus, it is employed in the treatment of blossom end rot for tomatoes.
- π±π πππππππ πππππππππ πππππππππ: Our eggshells are a nutrient powerhouse, containing calcium plant food, phosphorus, magnesium, zinc, and more. Known as garden calcium for vegetables, they serve as a valuable supplement for tomatoes by providing calcium nitrate for tomatoes , zucchinis, vegetables, ornamental shrubs, and even aquarium shrimp, etc.
- π±π ππππππ ππππ: One of the primary benefits of eggshells is their slow-release of nutrients. The nutrients in eggshells break down gradually, providing a steady supply of calcium over time. When broken down, eggshells improve soil health & structure by enhancing aeration and promoting the growth of beneficial microorganisms.
- π±π πππππππππ πππππππππππ: Ideal for plants that thrive in alkaline soil, such as calcium for tomatoes, peppers, and zucchinis, our eggshells can be used both indoors and outdoors. From lettuce and cucumbers to spider plants, African violets, roses, etc. All young plants and recently repotted ones can benefit from a boost of our high-quality ground eggshells.
- π±π πππππππ ππππππππππ: We ensure that our ground eggshells undergoes strict quality control procedures and meets our high-quality requirements. But if for any reason youβre not fully satisfied, please feel free to contact us; our professional customer service team will be happy to provide you with a choice of replacement or refund.
- Completely water soluble powder that makes 420 gallons of nutrient solution per container.
- Plants require both primary nutrients and secondary nutrients. Cal-Mag 420 is packed with secondary nutrients, it contains Calcium 13%, Sulfur 4% and Magnesium 3%.
- Beneficial to plants throughout all growth cycles and easily mixes with water to use during irrigation or as a foliar spray.
- Easy-To-Use, perfect for all stages of plant growth, formulated for use in all soil, container, coco and hydro growing.
- PREMIUM QUALITY INGREDIENTS β Cz Garden Calcium Nitrate 15.5-0-0 is a water soluble, high purity, premium Nitrogen + Calcium fertilizer designed to boost the healthy development of all your indoor flowers, lawn, and garden vegetables.
- 100% WATER SOLUBLE - GREENHOUSE GRADE β High Purity, Premium Quality fertilizer. Beware of lower grade Agricultural Grade Calcium Nitrate that leaves oily skim on your solution, irrigation equipment, and plant roots.
- 19% CALCIUM + 15.5% NITROGEN FERTILIZER promotes green leafy growth and hardy plants. Get lush vegetation in your home garden with our high-efficiency Calcium Nitrate Fertilizer
- 321 FEEDING SCHEDULE - Perfect for Hydroponics, Drip Irrigation Flood & Drain, NFT, DWC, Soil, Coco, Earthbox, Tower Gardens, etc.
- RESEALABLE, EASY POUR PACKAGING: Cz Garden Calcium Nitrate 15.5-0-0 fertilizer comes sealed in a 5LB, heavy duty resealable pouch. Pour the necessary quantity with ease and store the rest for future use.
- COUNTRY OF ORIGIN: USA - Cz Garden fertilizers and soil amendments are manufactured in the USA from the highest quality ingredients. Buy with confidence!
- Cz Garden Organics is committed to developing Premium Grade custom soil amendment blends, fertilizers, and nutrients for your organic garden. Ya Dig? Germinate. Propagate. Cultivate.
- RAW Calcium Mag contains 15% calcium and 3% magnesium. RAW Calcium Mag has optimized the ratio of each element in a Water soluble formulation of calcium nitrate and magnesium sulfate so that it doesnβt leave the media salty. This product is a stand alone Calcium and Magnessium supplement. Due to its low dilution rates a little RAW Cal Mag goes a long ways. Its also ideal for preventing deficiencies, treating deficiencies and for creating optimal recipe solutions.
- RAW Calcium Magnesium- Easily mixes into water and is completely soluble.
- Is a combination of two primary elements. Calcium Nitrate and Magnesium Sulfate. Helps thicken cell walls to increase the strength of the plant. Helps with the prevention of powdery mildew by reinforcing cell structure and helps plants resist pests.
- Great for use in soil, hydroponics, or other growing media.
- Add one-sixteenth to one-eigth tsp per Gallon in the reservoir for irrigation. Apply as needed.
- SOURCE OF CALCIUM MAGNESIUM & CHELATED IRON: Many varieties of flowering plants require higher levels of these micronutrients. Our well-balanced formula is designed to specifically address any plant deficiencies that may be present.
- CORRECTS COMMON PLANT DEFICIENCIES: Sometimes an unhealthy plant may be suffering from a nutrient deficiency or even too much of one nutrient. Our CalMag & Iron supplement effectively corrects and remedies these micronutrient plant deficiencies.
- NUTRIENT UPTAKE AND ABSORPTION: This formulae efficiently supports nutrient uptake and absorption by addressing any plant deficiencies in the first place, thus successfully supporting the vegetative and flowering stage of your plants.
- SUITABLE FOR HYDROPONICS, SOIL, AND CONTAINER GARDENS: Nutrient systems and supplements are commonly used as hydroponic supplies and are a good solution for soil and container gardens, ensuring strong and healthy plants and yields.
- OPTIMAL FOR COCO COIR MEDIUM AND REVERSE OSMOSIS WATER: Our supplemental CalMag & Iron by Humboldts Secret is highly recommended for plants growing in coco substrate or reverse osmosis water, as the absorption process becomes magnified.
- Nobody likes blossom end rot or tip burn.
- Thatβs why FoxFarm brings you BUSH DOCTOR CAL-MAG.
- Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems.
- OMRI Listed and CDFA Registered for Organic Gardening.
- Cal-Mag Supplement : 1 - 0 - 0, 3% Calcium 0.9% Magnesium.
- πΏ PREVENT DEFICIENCIES - Prevent yellowing, slow growth and poor productivity. Calcium paired with Magnesium offers a comprehensive approach to total plant support and will keep your plant growing efficiently without problems.
- πΏ MACRO & MICRO NUTRIENTS - HydraCalMag has Calcium, Magnesium, Iron, Molybdenum and Zinc plus more to help plants achieve optimum growth & yield potential. All plants, flowers, buds, fruiting vegetables and seedlings will benefit from this all purpose liquid fertilizer.
- πΏ DOUBLES AS A FOLIAR SPRAY - Apply this Cal-Mag as a foliar spray, in between feedings, during the growing season to prevent deficiency diseases, or to treat plants already impacted by nutrient deficiencies. Be sure to turn off your grow lights before spraying foliage.
- πΏ HAND CRAFTED WITH CARE IN SMALL BATCHES- HydraCalMag has been in the making for 40+ years and is tailored to Grow & Bloom biochemistry requirements of the plant in mind. We manufacture in small batches to ensure accuracy and quality. All of our bottles are equipped with a child safe cap, shake the bottles well before use and start growing with this advanced nutrient rich system.
- πΏ SUITS YOUR GROWING STYLE - This CalMag fertilizer excels in hydroponics, aeroponics, soil, soilless, coco coir, deep water culture, indoor, and outdoor gardens. Our concentrated formula is easy to mix and measure, we supply a feed chart that can be used as a starting point so you can incorporate HydraCalMag into your plant feeding and water change schedule with confidence. For Beginners and Seasoned Growers.
- COMPLETE ARRAY OF CALCIUM MAGNESIUM AND MICRONUTRIENTS: TPS Nutrients CalMag Complete contains every necessary micronutrient for a successful harvest, from veg to bloom. Also contains vital organic acid complexes.
- ENERGY DENSE FERTILIZER FOR ALL PLANTS: CalMag Complete is great on all plants, it shines on fast growing plants and is a cure for blossom end rot and other common deficiences.
- CONTAINS NO HARMFUL EDTA: TPS never uses harmful EDTA in any of its formulations, unlike other major brands. Check the label on other brands to make sure you avoid this particle.
- COMPATIBLE WITH OTHER FERTILIZERS: TPS CalMag Complete is fully compatible in solution with other TPS products, it is also compatible with supplements from other fertilizer brands.
- DESIGNED TO BE SUSTAINABLE: Every ingredient and every process was designed to keep sustainability in mind. TPS Nutrients chooses only the best and most renewable materials to build these products.
- RAW Calcium Mag contains 15 percent calcium and 3 percent magnesium. RAW Calcium Mag has optimized the ratio of each element in a Water soluble formulation of calcium nitrate and magnesium sulfate so that it doesnβt leave the media salty. This product is a stand alone Calcium and Magnessium supplement. Due to its low dilution rates a little RAW Cal Mag goes a long ways. Its also ideal for preventing deficiencies, treating deficiencies and for creating optimal recipe solutions.
- RAW Calcium/Magnesium- Easily mixes into water and is completely soluble.
- BENEFITS: Is a combination of two primary elements - Calcium Nitrate and Magnesium Sulfate. Helps thicken cell walls to increase the strength of the plant. Helps with the prevention of powdery mildew by reinforcing cell structure and helps plants resist pests.
- WHERE TO USE: Great for use in soil, hydroponics, or other growing media.
- DIRECTIONS FOR USE: Add 1/16th to 1/8th tsp per Gallon in the reservoir for irrigation. Apply as needed.
- Highly fortified calcium and magnesium plant supplement formulated to correct common deficiencies.
- Supplement your existing nutrient program. Mix well and use with every watering, as needed, for enhanced growth apply as a foliar spray.
- For use in hydroponics, containers, coco, hydro gardens and soil. Use with any crop, including tomatoes, lettuce, peppers and fruit & flower bearing plants.
- Prevent secondary nutrient deficiencies in fast growing plants and prevent blossom end rot and tip burn in tomatoes, lettuce and other calcium intensive plants.
- Apply when: 1. first sign of stunted growth 2. experiencing interveinal chlorosis 3. upward curl occurs in new leaf stems
- Recommended for use when growing in unbuffered coco coir-based mediums and when using reverse osmosis (RO) filtered water.
- LOTUS NUTRIENTS are natural plant fertilizers designed for growing in soil, hydroponics, coco coir, auto feeder, indoor plants, or outdoor gardens with Grow, Bloom, Boost, Cal/Mag, and Carboflush.
- PURE & NATURAL: Naturally derived nutrients composed of raw ingredients containing essential micro and macro elements for your indoor plants or farm - we do not source from industrial byproduct!
- BIGGEST YIELDS: Easily grow bigger healthier plants from seed to harvest with large buds and flowers, thick stalks, and deep robust roots in soil, hydroponic, or coco coir mediums.
- HIGHEST QUALITY: Increase smell, and potency in your flowering plants with the highest quality dry nutrients designed by growers for growers.
- A CALIFORNIA COMPANY: Design by growers in California and backed by industry-leading customer support. A part of the Grow Strong Industries family of brands.
- Advanced Nutrients Brand
- Will Work In Soil Or Hydroponics
- Comes In 250Ml Size
- No Assembly Required
- Guaranteed analysis 4% Nitrogen, 4% Calcium, 4% and is EDTA freeMagnesium m and magnesium. 4% Calcium and 4% Magnesium
- Corrects Deficiencies Fast - Can be used in all stages of growth. for plants, allowing for healthy uptake and translocation of nutrients.
- Higher Brix - With Calcium & Magnesium being complexed with amino acids, plants are able to take in amino acids as an additional benefit. One key component amino acids are good at is increasing Brix, resulting in better tasting crops.
- For uniform development of shoots, leaves and flowers and contributes to disease resistance.
- Calcium helps prevent fruit splitting and poor shelf life
- Magnesium plays critical role in chlorophyll and photosynthesis
- Plants grown using grow light demand higher level of magnesium
- Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate, and potassium, we give you control to supplement as needed without affecting primary fertility input ratios.
- Roots Organics CalMag is ideal for fast-growing and heavy feeding plants.
- Use in combination with high quality base fertilizers like Roots Organics Buddha Grow and Buddha Bloom.
- DERIVED FROM: Kieserite, Gypsum
- Ca 4%, Mg 1%, S 1%
- Contains Guaranteed minimum 10% Calcium (Ca) and 3% Magnesium (Mg) in the optimum ratio for plants. Also has Potassium and other elements to facilitate uptake and benefit your plants.
- Highly absorbable and fully water soluble forms of Calcium, Magnesium and Potassium.
- Boost Chlorophyll, Amino-Acid and Protein formation
- Strengthen plant cell walls and structure, and improve the photosynthesis process
- 3lb size makes 700+ Gallons. Concentrated dry form is up to 7x more effective than competitors, helping to save you money!
How to choose a good calcium magnesium for plants
Does the idea of finding a fantastic calcium magnesium for plants make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in calcium magnesium for plants. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top calcium magnesium for plants products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top calcium magnesium for plants on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top calcium magnesium for plants brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top calcium magnesium for plants based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Β Would it be accurate to suggest that the calcium magnesium for plants were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, Β provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good calcium magnesium for plants, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your calcium magnesium for plants.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting calcium magnesium for plants for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our calcium magnesium for plants. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what calcium magnesium for plants should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on calcium magnesium for plants.
