Jonathan G.
Aquarium Advice Freak
Are these needed for my tank? I here they are optional to add to a tank and i hear that they a must haves any have any info or suggestions. also, i havent set my tank up yet but am purchasing it this friday, a 75 gl with a sump and overflow. i plan on having fish and cleaning crews only until i get a lighting setup, probably pc's, then i was gonna add a mixture of liverock and inverts. So i was wondering if these are needed at all and if so can they be purchased later when my poor college butt can save up some money