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John
This topic has been ripe for a long time: I'll say right away that the circumstances forced me to conduct an "experiment". Due to the reasons described at the beginning of the above-mentioned topic, a vacation was a mandatory condition for setting up a marine aquarium, and any "buts" were categorically excluded (even the fact that the aquarium is in the process of maturing and requires close supervision). So I had to leave for 13 days and leave the aquarium under the supervision of: 1. Aqua controller 2. Son-in-law, who periodically topped up the water. As a result, upon returning after 13 days, I saw heavily overgrown glasses and even more overgrown macrophytes. Of the existing corals, the Sinularia grew up to 15 cm (by the cap), and the Xenia divided. No one died or was harmed. A big plus was that no one needed to be fed (although this issue is partially solved by installing an automatic feeder-dispenser of this type - which allows for precise dosing of liquid foods and trace elements, and a simple automatic feeder for dry foods, but this is a separate topic). Of course, for serious reefs with a mass of delicate corals, there are still many questions and difficulties, but I think the community can solve ALL the issues. I would like to hear what other difficulties may arise (we do not consider emergency situations, if the aquarium bursts, you left for work or on