The

Dana6523

Good evening everyone. I bought a ready-made Resun 500 (90 liters) marine aquarium with live creatures inside: a pair of melanopuses, a shrimp, and an ophiura with another one sitting on top of it, about 10 disks, and a large sinularia. I transported all of this 150 km, and everything arrived without any problems. I would like to describe my actions for caring for the aquarium. If something is not right, please correct me: twice a week, I use 3.5 ml of Reef Fusion 1 and 3.5 ml of Reef Fusion 2. Once a week, I replace10 liters of water, rinse the sponge filter, and perform water analysis once a month. I replace 20% of the activated carbon. As additional equipment, I have a Koralia Nano 900 flow pump in the chemical compartment, with bio-balls, activated carbon, purigen, and a matrix sponge. I plan to replace the original sponge with live rock. There is some algae (filamentous), and I wonder how to combat it. The children are asking for a Nemo fish. Should I add it to the aquarium? Water analysis: KH 7, how can I increase it? At the7th drop, the color changed. PO4 0.02, is it normal? NO3 15, is it too much or not? The salt level seems normal, but there is a lot of algae. I will upload my own photos later. Don't judge the aquarium too harshly, as I've only had it for a week. I've already read the book "Reef Aquarium". The small anemone is constantly sh