APT 1 Zero by 2HR Aquarist is a concentrated daily fertilizer made for planted aquariums. The formula supports strong growth and vibrant color without extra nitrates or phosphates, making it ideal for new tanks or heavily stocked aquariums where fish waste already supplies a steady source of nutrients. In a fish-heavy setup, APT 1 Zero provides essential macronutrients for balanced plant nutrition while helping to minimize algae issues. The included pump is calibrated for easy and convenient dosing. Ensure your aquarium plants get what they need to thrive while keeping your aquascape clean and healthy. APT 1 Zero is the simple, effective solution for aquascapers who want strong, vibrant aquatic plants without adding extra nitrates or phosphates. Size: 300mlDirections:Each bottle includes a calibrated pump. (1ml per press) Dose 3ml per 26 gallons (100L) daily. Key Features and Important Notes Concentrated, balanced daily formula for strong, healthy aquarium plant growth 2x higher potassium for improved colors Nitrate and phosphate-free Ideal for new aquariums and fish-heavy planted tanks One 300ml bottle lasts ~3 months / 30 gallon tank (YMMV) Includes calibrated pump for convenient, precise and easy dosing Guaranteed Analysis Soluble Potash (KO): 5.5% Magnesium (Mg): 0.85% Iron (Fe): 0.1% (0.1% chelated) Derived from:Potassium Sulfate, Potassium Chloride, Magnesium Sulfate, DTPA Iron, EDTA Iron, EDDHA Iron
