Laguna Plant Grow is specifically formulated to provide many benefits to pond plants. Plant Grow contains chelated micro-nutrients that promote plant growth and help keep plants strong and vigorous. It is ideal for all pond plants including floating varieties. Plant Grow does not contain phosphate or nitrate and is safe for fish. One 16 fluid ounce bottle treats 2 500 gallons of water and will work to create the ideal environment for your pond fish and plants.