Grotek Cal-Max 1L Shipping Supplements regular nutrient program

Supplements regular nutrient program

With low power consumption and long service life

zinc and manganese to support metabolic activity

Suitable for use in Organic Horticulture

Keep EC/TDS in your target range to help your achieve better results

Grotek Cal-Max 1L Shipping Supplements regular nutrient programCal Max calcium magnesium and iron During periods of high temperatures and accelerated growth, plants can develop preventable nutrient deficiencies. Cal Max was developed to provide 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