APT 1 / Zero is designed after 2hraquarists' all in one complete (APT3) without added phosphates and nitrates. APT 1 / zero is formulated for tanks with moderate to heavy fish stocking, main reason for this is due to the production of nitrogen, phosphates and potassium (trace amount of potassium) from the fish waste.APT 1 / Zero can also be used to mimic ADA methods of fertilization! Liquid inorganic macronutrient fertiliserNPK (Mg) fertiliser with micronutrients and trace amounts of Boron (B), Copper (Cu), Manganese (Mn), Molybdenum (Mo) and Zinc (Zn).0-0-7 (+1.4)7% Total Potassium oxide (K2O)1.4% Magnesium oxide (MgO)0.09% Total Iron chelated by EDTA, DTPA and EDDHA.All nutrients are completely water soluble.Dose 5ml per 100L four times a week or 3ml per 100L daily. APT bottles come with a calibrated pump.300ml. Lasts ~3mths for a 30 Gal / 115L tank.
