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Karen81
People! Today I unexpectedly became the owner of a marine aquarium. At 10 AM, I received a call saying, "Do you need it? Take it!" I transported it, set it up, and started the main equipment. I had previously worked (about 20 years ago) on installing/servicing aquariums, so I know the basics. But when it comes to marine aquariums, I know nothing. Of course, I can distinguish a skimmer from a denitrator, but that's about it. About the aquarium: 200x60x60 cm, around 200 kg of live rock, 50 kg of coral sand (1-2 mm), two broken Aquamedic lights (2 T5 and 150W HQL), and in the sump, there are two compartments of 150 liters each, one with a homemade drip system, a pump that seems to deliver about five tons per hour (by eye), a skimmer, and two denitrators. There's an Aquamedic computer with a sensor and a couple of other gadgets! Plus, there's black amphipreon, alive. All of this was owned by people who didn't know or care about it; no cleaning was done, the temperature is +20, and part of the filtration system was turned off. What should I do (step by step)? Sorry, I'm on my phone, I know all the answers are in the threads, but I can't browse right now. Thank you in advance for your help!