Grotek Cal-Max 1L

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Cal-Max™ calcium magnesium and iron During periods of high temperatures and accelerated growth, plants can develop preventable nutrient deficiencies. Cal-Max was developed to provi de the additional calcium, magnesium and iron needed to support peak production. Cal-Max can be used to treat problems when they surface and it can also be used as a preventative supplement to your nutrient program to avoid deficiencies such as tip burn in lettuce and blossom end rot in tomatoes. Show more