After every 35% water change the water gets cloudy for 4 to 5 days. I am still having algae problems on plant leaves. Algae grows and then dies and then the leaves turn clear and die. Any ideas? 46 Gallon Tank. Phosphate Level: .2PPM PH: 6.8 Hardness: 180 Nitrate: Undetectable Nitrite: Undetectable CO2 Injected 1 30w 50/50 2 30w Daylight Tubes Light time=11 hours WT: 82-84 TIA scott