What were your biggest purchase mistakes?

[spawn]

It will likely turn into a frag tank as it it's loaded with sps. I'm looking at this as an alternative light for now though36in Metal Halide HQI System Advance Plus & I kinda like the setup as it is in the living room

Originally Posted by ponokareefer

RSM250 is a nice starter tank. Now you just need to buy a 2nd larger tank and use your RSM250 as a specialty tank for something like haddoni carpets and clowns that won't work in a reef setup.