Award-winning aquascapers’ choice.

The smart one. Lean but powerful. APT Zero contains the full potency of APT Complete, but without nitrates and phosphates. It is specially designed for tanks with significant fishload and for hobbyists looking to replicate the renowned ADA dosing system. Its leaner dosing approach provides maximum algae control.

Should you use APT Complete, APT Zero or Estimative Index? Use this guide:

[ Product Dosage – 3 SIMPLE STEPS ]
1. Dose 3ml per 100L everyday*.
2. Do a weekly 30% water change the 2Hr Way.
3. Enjoy results.

*Or 5ml per 100L four(4) times a week, such as Mon, Wed, Fri, Sun.

[ INGREDIENT ]
Each 5ml per 100L dose adds 3.8ppm Potassium (K), 0.05ppm Iron (Fe), 0.5ppm Magnesium (Mg) and additional amounts of Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo) and Zinc (Zn).

Volume : 200ml or 500 ml per bottle