Ive never done salt before and ive always been curious. i have a 25 gallon tank im wanting to convert from fresh to salt. i need help tell me the basics, the dos, the donts, and what all i will need to purchase as well as weekly maintenance. i just want a simple tank with some anemonies corals and some clowns if possible at that size. basically all i have for this tank right now is an incandescent hood and an aquaclear 20. will i need a specific filter will i need anything else different.