I am in the process of requesting quotes from the Miracle aquarium, Primoreefacrylic and concept aquarium. I know what size of the tank i would need 72x24x24 however the major question is around how many Drain holes and size as well as how many return holes and size of the hole required.
This might be a dumb question but since i am running a sumpless system i have no idea what is ideal and good solution .
Also Internal overflow vs external overflow ( i liked the left right corner internal overflow but not sure if that has any drawbacks).
I am also needing guidance on fail safe overflow options like drilling a 3/4" hole just above the waterline to have water reverse siphon only limited water that can be accomodated by my sump.
One last question is how big of a sump i need for this 180(72x24x24)
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