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Athena Blended CaMg - Calcium, Magnesium, Iron & Nitrogen Supplement for Plants | Corrects Ca/Mg/Fe Deficiencies | Cal Mag for Plants | 2-0-0 | 1 Galloon

  • Based on 84 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Athena Ag Inc

Arrives Thursday, Oct 23
Order within 2 hours and 18 minutes
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Features

  • Supports Heavy Plant Growth & Development Athena nutrients provides essential calcium, magnesium, iron and nitrogen to strengthen stems, leaves, and overall plant structure during demanding growth phases.
  • Corrects Ca/Mg/Fe Deficiencies Plant calcium fertilizer can effectively restores nutrient balance to prevent common deficiencies that can weaken plants, stunt growth, or reduce yields.
  • Perfect for Hydroponics & RO Water Systems Calmag fertilizer was formulated for hydroponic nutrient solutions, reverse osmosis water setups, and plants in inert media like coco and rockwool.
  • Enhances Buds, Blooms & Flowers Cal-Mag growing fertilizer works as a supportive bud booster and bloom nutrient to encourage fuller blossoms, increased flower density, and higher yields.
  • Stronger Fruits & Vegetables Ideal as a tomato calcium supplement or fertilizer for outdoor plants like peppers, herbs, and vegetables for healthier, more abundant harvests.
  • Flower & Rose Fertilizer Liquid Can be used as a blossom fertilizer or liquid fertilizer for roses, enhancing flower color, fragrance, and overall garden performance.
  • Balances Overall Nutrient Uptake Unlike heavy calcium magnesium potassium supplements, Athena CaMg maintains proper elemental balance for optimal absorption and plant vitality.
  • Versatile Indoor & Outdoor Use Works across growing environments as organic hydroponics nutrients, indoor plant liquid fertilizer, or outdoor flower food.
  • Micronutrient-Rich Formula Supplies key micronutrients for plants including iron, improving chlorophyll production, photosynthesis, and plant energy efficiency.
  • Fertigation & Irrigation Compatible Clean, soluble formula integrates smoothly into liquid fertilizer irrigation systems without causing clogging or buildup.

Brand: Athena


Item Form: Liquid


Liquid Volume: 1 Gallons


Specific Uses For Product: Hydroponic Systems, Indoor Growing Environments


Manufacturer: Athena Ag Inc.


Product Dimensions ‏ : ‎ 11 x 4.5 x 7 inches; 11.7 Pounds


Item model number ‏ : ‎ LQ-CM-1G


Date First Available ‏ : ‎ December 17, 2021


Manufacturer ‏ : ‎ Athena Ag Inc.


Best Sellers Rank: #58,993 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #24 in Hydroponic Nutrients & Additives


#24 in Hydroponic Nutrients & Additives:


Customer Reviews: 4.7 4.7 out of 5 stars 84 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Oct 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Good Stuff
Goes with their other products and I have great results from using it.
Reviewed in the United States on May 8, 2025 by Kuwlpapa

  • Only company I trust. All others rip growers off bad!
Only line I'll trust. 💯 All around quality and customer service. Speaks for it self
Reviewed in the United States on February 24, 2025 by Joe gartley

  • Grade A
Grade a stuff to be honest
Reviewed in the United States on February 15, 2025 by Michael Reynolds

  • Great supplement
For the price point this is great cal mag
Reviewed in the United States on January 26, 2025 by Adam Flood

  • THE BEST !!!
YOU CAN’T GET ANY BETTER !!! Don’t waste your time looking any further. Buy Athena NOW !!!
Reviewed in the United States on July 8, 2024 by Ed G.

  • Great
For use in autopots.
Reviewed in the United States on March 27, 2024 by Tom M.

  • PURE TRASH! Do Not Buy!
I now understand why you get a gallon Cal-Mg for $30. I've used TPS and Botanicare but have never had as many issues in my 15 years of growing experience as I've had with this GARBAGE! DON'T WASTE YOUR MONEY GUYS!!! The new hype is exactly that, ALL HYPE! Back to TPS.
Reviewed in the United States on October 23, 2024 by Sid

  • Great product at a better price
Gonna be my new "go to" !
Reviewed in the United States on December 16, 2023 by Barry

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