I know they are expensive, but its a one time investment-Euroreef. I love mine and its plug and play. I was skeptical at first, but I broke down and bought it, it was the best decision I've made. the only problem is you need a sump. I had a Sea Clone before that and I know they have a bad rap but it was a really good skimmer. Quiet, easy to clean and affordable. The only problem was it could be quicky at times, but for the price you can't beat it.