So the setup is 300 litre tanks co2 injected heavily planted medium lighting, 2 x39W T8 for 8 hours + 2x39W for 2 hour sunburst 50 litre HMA water changed daily, 150l on a saturday currently dosing TPN+ growth is currently good, get some pearling, no real issues, why am i changing? i believe that EI dosing with dry ferts will be cheaper than TPN+! there's tons of info out there about EI an must admit i'm getting a bit lost i've bought potassium nitrate, mono potassium phosphate and trace element mix from AE and will be making up solutions in 500ml bottles i will be dosing macros and micros daily, so my questions are (i) how many teaspoons of potassium nitrate, potassium phosphate and tracemix will i put in each 500ml bottle? (ii) how many ml of each solution should i add to the tank each day? thanks for any and all help that will be given here!