[Yes,
There are 5 of 1.5 in bulkhead size holes. (I believe the actually size of the hole was 2 3/4 in I could be wrong on this).
You know when I do this tank, people told me 2 drain holes of 1.5 and 1 of 1 in for return. Then, I initally planned to go with sequence pump and anthony closed loop. 2 holes for this purpose as the pump supposed to be inside the stand , so 1 return and 1 drain. Total made it 5 holes.
I went ahead have them drill all 1.5 in bulkhead size holes because you can always reduce it to 1 or smaller but you can't never enlarge if you need to.
Now since I decide to go with Tunze....yeah...( no noise of water moving and no bubble in tank for sure) I have two extra holes from the closed loop. I will run all the electrical wires and cords of light , tunze on top of the tank thru one hole (inside a 1.5 PVC tube of course) down to the stand. That way there is NO wire hang down outside of the tank.
I still have one hole left and will cap it. Suggestion is always welcome.]
Edited By reefgazer on 1116853624