excellent planning with the union joints under the ball valves. It makes things VERY easy in the future to change things around.
Three sided viewing is very nice as thats what I have for my system .... but it is 1.5 times more work to clean the glass. I hate glass cleaning on my 6 foot tank.... you're gonna have fun with your 8 foot tank
Looking forward to that open house one day. .... ... good job!