Dr foster and smith online great place to shop. They also give you a lot of info on products you are looking for with a lot of options. Decide how much you want to spend then make your decisions. Clean water ,lighting and water movement are essential. I have two penguin 400s ,100 gal
skimmer, 2 power heads 1050, 660 2T5 bulbs 420blue and10000k in a 75 gal
tank. I want one more 1050 My water is excellent. All about how much you have to spend!I wanted to build a refugium but not enough space or cash.