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Lisa
Hello everyone! I'm planning to set up such a construction. I have an old acrylic aquarium (162x53x60h) and several 100-liter tanks (85x40x35h). For various reasons, the cabinet under the aquarium cannot be touched. There is also a planned move to a new place of residence, which may happen tomorrow or in three years. There is also a limited budget for the launch, which is 250 units. In general, the idea is to launch an experimental system, learn to work with drains and inlets, and not just stare at an empty aquarium. The plan is to keep the most undemanding soft corals, a few shrimp, and two or three small fish. In the top left aquarium, there will be algae, and possibly in the bottom one as well. There is a strong desire to leave the aquarium free of shafts, pumps, etc. For the return, I want to install two pumps. For the drains, the first thing that comes to mind is to drill a 5cm hole and connect a sink drain. Or, alternatively, attach a drain tray externally (the height difference between the main tank and the top left one is no more than 20 cm). I will be very grateful for any recommendations on