The Fermax Grow Series was designed to be used during the vegetative stage of growth, and for non-flowering plants. The mineral ratios found in this duo help facilitate vital plant developmental processes including photosynthesis, healthy respiration, and robust stalk and root growth. This 2-part liquid nutrient formula should be used in equal amounts in any of your favorite growing media and methods including soil, soilless, coco coir, rock wool, NFT, RDWC, ebb and flood, indoors and outdoors. The Fertmax Grow Duo is also very popular in vertical farming. **BE SURE TO USE IN EQUAL PARTS WITH FERTMAX GROW A** CleanGrow’s original line, Fertmax, has been growing plants all around the world since 2014. Best known for its performance in recirculating hydroponics, including deep water culture and vertical farming, Fertmax has also been known to grow trees outdoors, in greenhouses and in a wide variety of different grow media. It’s broad spectrum of chelated micronutrients is one of the key elements to its exceptional performance. When used as directed, all of the ingredients are fully available and soluble to the plant right out of the bottle. No enzymes or microorganisms are needed while growing with Fertmax. Fertmax has been approved and registered with the CDFA since 2014, and remains in compliance with all standards of the AAPFCO. Whether you are a beginner looking for something easy to follow, or advanced and looking to boost yields, Fertmax is adaptable and effective for many different kinds of growers. This line runs very clean, and when used in conjunction with Watermax, your equipment and roots will be noticeably clean and optimal. While this product is not organic, there are some organic ingredients that would classify this line as a hybrid growing technique. When used as directed, this plant nutrient is considered safe for use on consumable crops, as all of the parts have passed a heavy metals analysis and standards set forth by the department of agriculture.