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Stephanie9175
Aquarium 100x50x50, in the back wall in the corner there are 2 holes drilled, 26mm and 50mm. Please help with the size of the drain shaft, for example, 15x15 or 10x10, as I don't have the fittings yet and will be making a Durso system. I need to tell the glass cutter the dimensions for the shaft, and my second question is what height should the shaft be? I would appreciate any help.