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Humboldts Secret CalMag & Iron

$19.99

 Product Description

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CalMag & Iron contains an exact balance of calcium, magnesium and chelated iron specially formulated to compensate for insufficiencies that are sometimes encountered – particularly in some commercial and hydroponic nutrient programs and grow mediums. CalMag & Iron is compatible in all grow mediums and compensates for the natural calcium draw of coco coir fiber and may be needed for those growing with reverse osmosis water.

CalMag & Iron provides ideal ratios of the calcium, magnesium and iron that are needed during all stages of growth, especially in heavily fruiting plants and fast blooming annuals. When used in combination with nutrient solutions CalMag & Iron helps increase the uptake of essential minerals and maximize yields.

Although we consider Golden Tree as an all-in-one additive, CalMag& Iron is still needed for certain grow mediums and those using RO Water.

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Weight:
1.50 LBS
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