Hi alls, I really need major help here please. I just bought a FW 55gallon tank 5 days ago, 1 AquaClear 300 filter, a heater and follow all procedures everythings were great+my FlowerHorn . Suddenly 2 days now my water turning really GREEN and stink, then I changed water and now today still Green same problem. Any idea how to get rid of that GREEN water or make water clear as I seen those in fish store that they had please ..?? Thanks in advance.