Calyx Magnum air-purification Regulates air flow with two

Regulates air flow with two adjustable vents that allow you to adjust temperature and humidity

Compatible with all Hydrofarm heat mats

• Easy clamp arm

or with one or more compact fluorescents

With its crystal clear

Calyx Magnum air-purification Regulates air flow with twoWith an available 2% (N), 3. 4% (Ca), and 1. 4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created Calyx Magnum without the use of chemical chelates like EDTA, which is so prevalent in other Cal Mag products on the market. Instead of chemical chelates like EDTA, Calyx Magnum utilizes plant based amino acids as a chelating agent. This means that Calyx