Grotek Cal-Max 4L Shipping you can expect up to

you can expect up to 30% more light output

With its powerful neutralizing formula

In BASIC mode

Attention: does not fit for Q series

Grotek Cal-Max 4L Shipping you can expect up toCal 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