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Versatile formula: can be fed to all varieties of plants growing in almost any type of garden such as hydroponic, aeroponic, soil, 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.


1. Schultz
#ad
Schultz All Purpose Liquid Plant Food 10-15-10, 8 oz
#adSchultz #ad - Country of Origin: United States. For all flowers tomatoes roses vegetables fruits trees and shrubs annuals perennials and houseplants. Model number: SPF45170 Item package Weight: 14. 6 oz.More information #ad
Brand | Schultz #ad |
Manufacturer | Schultz #ad |
Height | 8 inches |
Length | 10 inches |
Weight | 0.8 Pounds |
Width | 9 inches |
Part Number | SPF45170 |
Model | SPF45170 |
Warranty | Warranty |
More information #ad
2. Nature's Source
#ad
Nature's Source 7520-US 10-4-3 Plant Food , 64 oz
#adNature's Source #ad - Economical because it is concentrated -one teaspoon per gallon for houseplants and one tablespoon per gallon for garden and landscapes. Derived from oilseed extract. 10-4-3 - all purpose plant food- Used by professionals. Nature's source is usable for both indoor and outdoor plants.More information #ad
Brand | Nature's Source #ad |
Manufacturer | Nature's Source #ad |
Height | 6 inches |
Length | 5 inches |
Weight | 4 Pounds |
Width | 4 inches |
Part Number | 7520-US |
Model | 7520-US |
More information #ad
3. Botanicare
#ad
And Iron Plant Supplement, Corrects Common Plant Deficiencies, Add To Water Or Use As A Spray, Botanicare Cal-Mag Plus, 2-0-0 NPK, A Calcium, 5 Gallon, Magnesium
#adBotanicare #ad - To use: mix well and use with every watering, as needed, for enhanced growth apply as a foliar spray. Supplement your existing nutrient program with Cal-Mag Plus.More information #ad
Highly fortified calcium, magnesium, and iron plant supplement formulated to correct common deficiencies. For use in containers, coco, hydrogardens, and when growing in soil. Contains formulation of 2-0-0 NPK.Brand | Botanicare #ad |
Manufacturer | Hawthorne Hydroponics, LLC #ad |
Height | 13.8 inches |
Length | 10.4 inches |
Weight | 9.5 Pounds |
Width | 11 inches |
Part Number | BCCM5 |
Model | 732125 |
More information #ad
4. General Hydroponics
#ad
General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System with FloraMicro, FloraBloom and FloraGro, 1 pt.
#adGeneral Hydroponics #ad - Nutrients included are FloraMicro, FloraBloom, and FloraGro. The floraseries is a hydroponic-based nutrient fertilizer system that helps fulfill your plants’ nutrient needs at every stage of growth. Floramicro is rich in nitrogen, calcium, and chelated micronutrients to help support fast-growing crops during all growth stages.More information #ad
Floragro is blended with nitrogen phosphorus, potassium, and magnesium for support of structural and foliar growth. Florabloom is packed with phosphorus, magnesium, potassium, and sulfur to help boost results during flowering and fruiting.Brand | General Hydroponics #ad |
Manufacturer | Hawthorne Hydroponics, LLC #ad |
Height | 6.2 inches |
Length | 7.5 inches |
Width | 2.7 inches |
Part Number | GL51GH1421.31.11 |
Model | GL51GH1421.31.11 |
More information #ad
5. Botanicare
#ad
Botanicare Hydroguard Bacillus Root Inoculant, Quart
#adBotanicare #ad - The date printed on units are in Julien format manufacture date. This product is good for 2 years after the date on the bottle and it should be used within 6 months of opening. Contains bacillus, a natural bacterial root inoculant.More information #ad
Botanicare hydroguard assists in the decomposition of organic matter in hydroponic gardening. Amplifies root mass and vigor. Use every time you water during the growth cycle. Helps convert organic matter into nutrients that may be absorbed directly by the roots of a plant.Brand | Botanicare #ad |
Manufacturer | Hawthorne Hydroponics, LLC #ad |
Height | 7.38 inches |
Length | 5.25 inches |
Weight | 2.35 Pounds |
Width | 2.38 inches |
Part Number | GL56704078 |
Model | GL56704078 |
More information #ad
6. Miracle-Gro
#ad
Miracle-Gro Cactus, Palm & Citrus Potting Mix 2-Pack
#adMiracle-Gro #ad - Enriched with Miracle-Gro Plant Food. Bags of miracle-gro Cactus, Palm & Citrus Potting Mix. Contains forest products, sand and perlite, to help prevent soil compaction and improve drainage. This bundle includes two 8 qt. Beautiful, colorful results. Fast-draining formula.More information #ad
Brand | Miracle-Gro #ad |
Manufacturer | The Scotts Company LLC #ad |
Height | 17 inches |
Length | 4 inches |
Width | 13 inches |
Part Number | VB00010 |
Model | VB00010 |
More information #ad
7. PowerGrow Systems
#ad
Calcium Nitrate 15.5-0-0 Fertilizer Bulk Pricing 5 POUNDS
#adPowerGrow Systems #ad - Calcium nitrate is fully water soluble - easy uptake by your plants! High nitrogen level promotes lush green vegetative growth. 100% agricultural grade fertilizer - Calcium Nitrate 15.More information #ad
5-0-0 npk. Packed by powergrow systems & sold by BGS Supplies - Made in USA. Calcium increases plant resilience and prevents calcium deficiencies.Brand | PowerGrow Systems #ad |
Manufacturer | PowerGrow Systems #ad |
Weight | 5 Pounds |
Part Number | CALCIUM-NITRATE ( 5 POUNDS)-5LB |
Model | CALCIUM-NITRATE ( 5 POUNDS)-5LB |
More information #ad
8. Blue Planet Nutrients
#ad
CalMag + Iron Plant Supplement 32 oz Quart | Concentrated Calcium Magnesium Iron for All Plants & Gardens | Makes Up to 315 Gallons | Prevents & Corrects Blossom End Rot | Blue Planet Nutrients
#adBlue Planet Nutrients #ad - Calcium, and iron which are key elements in photosynthesis, magnesium, iron supplement: calmag provides plants with calcium, MAGNESIUM, 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, aeroponic, soil, and all soil-less media! Blue Planet Nutrients CalMag supplement can be used along with other garden fertilizers and supplements.
More information #ad
Blue planet nutrients: trusted brand from Houston, TX providing high quality, professional grade garden fertilizers and supplements since 2010 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. 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.
Brand | Blue Planet Nutrients #ad |
Manufacturer | Blue Planet Nutrients #ad |
Height | 7.5 inches |
Length | 5.25 inches |
Weight | 2 pounds |
Width | 2.4 inches |
Part Number | gfn-33 |
More information #ad
9. Down To Earth All Natural Fertilizers
#ad
5 lb, Down to Earth Organic Prilled Dolomite Lime
#adDown To Earth All Natural Fertilizers #ad - Down to earth dolomite lime is a five pound box of mineral fertilizer and is listed by the Organic Materials Review Institute OMRI for use in organic production. Natural limestone is ground into an ultra-fine powder and then formed into uniform mini granules prills for easy spreading and rapid reaction time.More information #ad
Supplies essential nutrients calcium and magnesium, and sweetens your soil raises the pH to improve plant growth and maximize fertilizer performance. Magnesium is the element that causes plants to be able to convert light into energy. Registered organic Input Material CDFA.Brand | Down To Earth All Natural Fertilizers #ad |
Manufacturer | Down To Earth All Natural Fertilizers #ad |
Height | 8 inches |
Length | 3.5 inches |
Weight | 2.42 Pounds |
Width | 10.75 inches |
Part Number | DTE-FERT-DolomiteLime-5lb-FOS |
Model | DTE-FERT-DolomiteLime-5lb-FOS |
More information #ad
10. PowerGrow Systems
#ad
Epsom Salt Magnesium Sulfate Agricultural Grade Bulk 5 Pounds
#adPowerGrow Systems #ad - Epsom salt is ph neutral, so it won't affect the pH in your system or soil. Can prevent nutrient deficiencies and increase plant yields.More information #ad
Epsom salt magnesium Sulfate can increase seed germination and nutrient uptake. Can make foliage more green and lush. Packed by powergrow systems in visible clear bags - Made in USA.Brand | PowerGrow Systems #ad |
Manufacturer | PowerGrow Systems #ad |
Weight | 5 pounds |
Part Number | MAGNESIUM SULFATE 5 LB |
Model | MAGNESIUM SULFATE 5 LB |
More information #ad
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