The combination of Aqua Flakes A + ref#799711 results in House & Garden Aqua Flakes, the complete base nutrient reformulated in the USA specifically for recirculating systems. House & Garden Aqua Flakes is ideal for expanded clay, rock wool, growstone and various forms of recirculating hydroponic cultivation. This liquid concentrate has a unique composition that supports rapid nutrient transfer from fertigation to plant foliage. H&G’s secret formulation and blending methodology allow for a perfectly balanced combination of nutrients for optimal medical-grade cultivation. The result for you? Better pH balance, better nutrient uptake, faster plant growth and stable EC levels. Aqua Flakes contains all macro and trace elements in absorbable forms to ensure rapid absorption and complete nutrition throughout the plant’s life cycle.