Book (Practical) Fisheries Making water tanks to grow healthy fish

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Fishery
Animals and Pets
I want to grow healthy fish! Everyone who loves fish thinks it is. The best way to grow healthy fish is to create a natural environment inside the water tank! By creating bacteria in the water tank and continuously culturing Daphnia, and eating live Daphnia as food, the health of the fish is improved. In addition, by the effect of bacteria, it is possible to make water tanks that do not smell and do not require water change. This book is a book that explains in an easy-to-understand way the technology of Aoki Method Continuous Culture of Daphnia.