Petsmart secrets!
So, I went to Petsmart and found a good one for my tank size:
Rena FilStar xP3 Canister Filter. Only $179 at petsmart. But, that is expensive! So I did a quick web search and found it online selling at petsmart.com for $105: http://www.petsmart.com/….. So, I asked the salesman, and he said they will match the online price if I bring in a printout. So, I went to work, printed out the page, and saved $75!
But then I discovered that I could have saved an additional $30 via a coupon:
http://www.petsmart.com/landing/Rena/?cm_ven=Google&cm_cat=adwords&cm_pla=rena&cm_ite=filstar+filter
What a great deal. If you want to buy a canister filter, get one of the xp ones for really cheap in store or online. Apparently they will honor the coupon in store, along with the the low-price match (via: http://www.turtletimes.com/forums/index.php?showtopic=48604).