I could not find a corner box filter at my local Petco or Petsmart.
I found mine at Big Als online
Penn Plax Quick Draw Corner Filter at Big Al's Online for $3.99. It comes with an airhose but not the sponge/filter material That is also where i go the cheezy plastic plants and the reef tank background. I have covered the back and both sides. The plants were a lot cheaper than at the big pet superstores.
I cant say that I have ever seen an air stone running in a reef tank.
Tell your hubby it is bad for SW reef tanks. lol
Thanks Barb and Cracker.
I really hate testing but knowing that you guys are getting something out of it too give me some more motivation to keep at it.