hey guys! happy tues! i have a question. i built my 20 gallon long spesifficly for SPS. i have a wave maker and a small koralia, a 4 bulb T-5 fixture (the tank is only 12'' deep). i need to get a ATO cause' man does my water evaporate like crazy! so i want to hear what you guys have. i need somthing cheap, reliable, and long lasting life. any suggestions?