My tank (46 gal bow front, 52 lbs live rock, 60 lbs live sand) started it's cycle on Friday the 18th. I currently have my Hydor Koralia 3 running and my AquaC Remora protein skimmer w/prefilter box. The temperature is about 76, the salinity is around 1.022 and I'm trying to get it higher. \r\n\r\nMy question is when to make my first water change and how much should I turn over. I have seen sites recommend 50% after the first week, but this seems extreme. I saw that Biff recommended not doing a water change until both Nitrates are at O otherwise it slows down the cycle process. \r\n\r\nI am getting my Python 50' clean n fill and aqua gloves on Monday the 21st so I should be ready to do the water change whenever possible.