best liquid fertilizer for aquarium plants Buy Aquarium Co-Op Easy Green All-in-One Fertilizer Online - Your Local Fish Store Vancouver

1.  For the 500 ml (16.9 oz) bottle, use the measuring cap to dose (1 ml) per 10 gallons of water
—  Dose once a week for low light aquariums (10–20 PAR)
—  Dose twice a week for medium light aquariums (20–35 PAR)

2.  For the 120 ml (4 oz) bottle, dose 2 drops per gallon of water
—  Dose once a week for low light aquariums (10–20 PAR)
—  Dose twice a week for medium light aquariums (20–35 PAR)

We recommend having between 20–50 ppm of nitrate in your aquarium from dosing Easy Green for optimal plant growth.

Guaranteed Analysis:
—  Water Soluble Nitrogen (N) 2.66%
—  Available Phosphate (P2O5) 0.46%
—  Soluble Potash (K2O) 9.21%
—  Water Soluble Magnesium (Mg) 0.7%
—  Boron (B) 0.015%
—  Water Soluble Iron (Fe) 0.13%
—  Water Soluble Manganese (Mn) 0.036%
—  Molybdenum (Mo) 0.00098%
—  Water Soluble Zinc (Zn) 0.0072%
NPK 2.66 - 0.46 - 9.21

Measurable Nutrients: 1 mil of Easy Green in 10 gallons of water adds 3 ppm of nitrate, and 2 drops of Easy Green in 1 gallon of water also adds 3 ppm of nitrate. For more details.

Notes:
Store the fertilizer upright and away from children. For optimal shelf life, store the fertilizer out of light.

Warning: fertilizer can be irritating if it gets into your eyes, nose, or mouth, and it can cause stomach upset if swallowed. If you get Easy Green on your skin, rinse it off. If you get it in your eyes or mouth, rinse thoroughly for 15 minutes.  For Canadian customers, reference dpic.org.