got the msx 200 and the dart was suggested for a return but seems high around here, my 55 gallon i planned to make a sump out of wont fit under the stand so I think Im going to use a 30 long I bought today got a heck of a deal on 30 long with 40 lb of LR, stealth heater to hermit crabs Eihm hob filter, almost full 50 gallon bag of IO, BW striped damsel and to flourescent strip lights all for 60 bucks so Im hopng I can set it up as a sump if I put the LR and damsel in a tub or somethn for a couplr of weeks hate the stress n the little guy after I just moved him tonight