Extremely concentrated,General Hydroponics® FloraNova Grow (7-4-10) is an exceptional bargain. This complete, one-part fertilizer provides primary and secondary nutrients and pH buffers which keep nutrients fully water-soluble. FloraNova Grow works as a specialized nutrient for rapidly growing plants during the structural and foliar growth phase. Ideal for all hydroponics applications as well as potted plants in soil. 2 1/2 gallons.