You basically have all the equipment, so you don't need an oxygen bottle, because all the filters have their own small tanks with oxygen function, which can be used to raise some shrimps and beautify the environment. It is interesting to raise some aquatic plants in it. Now I'm raising shrimps, because I have some shrimps in an aquarium that raises corals and marine fish.
There are many filter materials, such as volcanic rocks, medical stones, ceramic rings, breathing rings and so on. These materials are made into several combinations of 1. Taobao sells them. Just put these materials at the bottom and put a layer of filter cotton on it. These materials are the most favorable growth environment for nitrifying bacteria. It is best to raise fish in bare tanks for easy cleaning. Besides, the temperature of your heating rod is a little hanging. Please try two 20-inch ones first. If it's not the best, try switching to 500W W. Do not buy fish first. It's cold now, and it's easy to die when you buy it back. Because tropical fish are sensitive to temperature, it is more suitable to buy tropical fish in spring. Finally, raise fish first, and raise water 1 month. Because your fish tank is big, there are still many kinds of tropical fish. Lohan fish is the most widely raised, but the disadvantage is that it can only be raised separately.