Jimbo, 2 additional considerations on the placement of your tank. 260 gallons of water weighs 2170 lbs. Your finished setup will probably weigh about 2500 lbs, you want a very substantial stand that will spread the weight. You will need to be changing about 50 gallons of water on a regular basis, the ability to conveniently siphon is important as well as having a convenient water source to be able to use a hose to add water. If you use buckets, you will grow weary of the whole thing in a hurry. \:\)
Jim