I have a 46 gallon tank with live rock (52 lbs) a true and false percula and various other inhabitants. Ammonia and Nitrite are at 0, nitrate is at 20. I have good flow and lighting is 10,000K and blue actinic each one 96 watts. Any help is appreciated, i heard bubble tip is best for beginners and easiest to keep, thanks so much! Tank has been running for a year now this May.