What were your biggest purchase mistakes?

[ponokareefer]

Originally Posted by spawn

I wish I'd bought a bigger tank & setup from someone on Canreef. Instead I bought an Rsm 250 for my first setup.

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.