My tank is 75Gal, 24" deep, completed with 6x39W T5 HO light. CO2 @ 30 ppmI started dry fertilizer about a month with dosing as below:
1. Im dosing 5ml daily of Macro Micro Nutrient (MMN) Mix bought from aquariumFertilizer. The MMN formula included KNO3, K2SO4, MgSO4 and CSM+B. I mixed 1/4 cup of MMN with 500ml of water.
2. I'm also dosing 5ml of KH2PO4 every second day. I mixed 25g of KH2PO4 in 500ml of water.
3. 30% Water change every week.