[APD] Warping Tanks

[Jerry Baker <jerry at bakerweb_biz>]

I have never had a 6' tank before so I don't know what to expect. After 
much labor in leveling the tank I spent the last 3 days filling it by 
reverse osmosis. Now that it's full the water line isn't level. It's 
dead-even at the ends, but at the middle the water is about 1/8" lower 
as measured from the bottom of the plastic rim. Of course that could be 
accounted for by a slight bowing of the tank at the middle, but no such 
bow is apparent looking at the reflection of objects in the room. Do 
others see this in their long glass tanks?

-- 
Jerry Baker
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