SKU: 75461458562
calcium plant fertilizer

calcium plant fertilizer Growth Products Cal-Mag Max 7-0-3 w 4% Calcium, 2% Magnesium

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Description

calcium plant fertilizer Growth Products Cal-Mag Max 7-0-3 w 4% Calcium, 2% MagnesiumCAL MAG MAX 7 0 3 With 4% Calcium and 2% Chelated Magnesium Cal Mag Max is a Growth Products fertilizer with the power punch to serve plants with calcium, magnesium, and a kick of NPK. This product breaks the barriers between fertilizers and micronutrients, giving you the best of both. Cal Mag Max contains the perfect 2 to 1 ratio of calcium to magnesium. The calcium and magnesium are 100% chelated with a special sugar acid chelate. Cal Mag Max works

CAL MAG MAX 7-0-3 With 4% Calcium and 2% Chelated Magnesium
 Cal Mag Max is a Growth Products’ fertilizer with the power punch to serve plants with calcium, magnesium, and a kick of NPK. This product breaks the barriers between fertilizers and micronutrients, giving you the best of both. Cal Mag Max contains the perfect 2 to 1 ratio of calcium to magnesium. The calcium and magnesium are 100% chelated with a special sugar-acid chelate. Cal Mag Max works faster and is less wasteful because it is completely available as a foliar or soil drench. Use Cal Mag Max as a supplement, and in alternate feeding with a standard fertilizer.

Green Industry professionals wage a constant battle to correct Calcium (Ca) and Magnesium (Mg) nutrient deficiencies that occur in plants. Symptoms of calcium and magnesium deficient plants include:

  • Immature development and deformity of the plant.
  • Calcium deficiencies most often occur in the newest growth of a plant. The leaves and new tissue of the plant will curl, twist, and eventually fall off.
  • When a plant is deficient in magnesium, it is the older, more established leaves that are first affected. The plant will become chlorotic, with the leaves changing color beginning as a reddish brown and changing over to yellow. The end result is that the leaves curl and eventually drop off of the plant.

To prevent and correct these deficiencies, a 2-to-1 calcium-to-magnesium ratio product is most often recommended. Growth Products' Cal-Mag Max (7-0-3) fertilizer with 4% chelated calcium and 2% chelated magnesium fits the bill perfectly. It is quick-acting and easy to use.

Cal-Mag Max is great for all classes of horticultural plants, including ornamentals, trees, shrubs, plants, turfgrass, etc.. When applied as a foliar spray, it provides almost immediate correction of calcium and magnesium deficiencies. Cal-Mag Max can also be applied to the soil, as a supplement or in alternation with other fertilizers.

Label:  Cal Mag Max 

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SKU: 75461458562

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Reviewed in the United States on May 21, 2026
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Shadymouse
San Leandro, US
★★★★★ 5
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Reviewed in the United States on June 7, 2026
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Jim Adair
Pawtucket, US
★★★★★ 5
Does a great job!
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Amazon Customer
Fort Morgan, US
★★★★★ 4
It’s fine.
I would prefer the needles be straight, and I couldn’t make them that way. The method for replacing the needles is … fine. I would also prefer the base of the holder be closed rather than open. It works well, but didn’t meet my expectations.
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Reviewed in the United States on April 14, 2026

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