I have a 300 gallon tank with an fx6, an fx5, 2 large sponge filters, a large powerful internal filter and 2 large wave makers. Stock is a silver aro approx 12", five cichla approx 6" a 16" fire eel and a 15" common pleco. The tank lately always seems to have a bit of a cloudy look when I look at it from the side, almost like a mini bacterial bloom but it's constant.. I do a 50% wc twice weekly and use seachem safe. Do I just need more filtration?