The Estimative Index help
Hi i am starting the Estimative Index dosing for 120 gallons planted tank
8 ppm KN03 nitrate 3x a week
2 ppm KH2P04 phosphate 3x a week
2 ppm K2SO4 Potassium 3x a week
30ml seachem flourish 3x a week
30%-40% water change each week+1 teaspoon seachem Equilibrium
And the question if i need to add any iron?