I. Precautions when purchasing aquarium:

　　1. Check whether the power supply is sufficient where the aquarium is to be placed? It is 220 volts or 110 volts.

　　2. Check the floor condition? (It's wood floor, cement floor, carpet).

　　3. Make sure that the bottom of the aquarium can remain horizontal.

　　4. Install an extension cable with five sockets.

　　5. Cut a 130X60cm Polylon board to cushion the bottom of the aquarium to prevent vibration.

　　6. Clean the inside and outside of the aquarium. If you use a 24 volt bottom heating line, you can install it at this time. However, this heating device sometimes approves of the breakage of the bottom glass of the aquarium. Please be careful. (Dupla bottom heating line)

　　7. All electronic controllers shall be installed at the socket of the aquarium, and all sensors shall be fixed with vacuum suction cups.

　　8. Paste the decorative plate on the back of the aquarium.

　　9. Wash 70cm of sand and clean the decorations, such as wood and stone.

　　10. Put the filter material into the filter.

　　11. Install the connecting pipe.

　　12. Install the sunken wood water motor. Note that the sieve hole of the suction pipe should be at least 5 cm away from the bottom plate.

　　13. Connect the light to the automatic bait feeder or timer, and set the required time, for example, from 10 a.m. to 10 p.m. Pay attention not to exceed 10-12 hours and make sure that the machine operates normally.

　　14. Mix the bottom sand and base fertilizer (DUPLARIT G) evenly, and add 1000 grams of base fertilizer to 20 liters of sand.

　　15. Spread the bottom sand of the mixed base fertilizer.

　　16. Then lay the remaining 50 liters of sand.

　　17. Put the decorations in the aquarium, but leave the space for planting water plants.

　　18. Pour lukewarm water into the aquarium slowly, not only from one place, but evenly on the bottom sand.

　　19. Inject water to half the depth of the aquarium.

　　II. Step 2:

　　20. Plant water plants according to the example. Remember to remove the rotten branches and leaves first, and cut the roots to a third.

　　21. Fill up the water and remember to add fertilizer and water quality adjustment solution. (Duplagan).

　　22. Install the CO2 long-term tester in a place where it can be clearly displayed.

　　23. Connect the CO2 bubble counter to the CO2 adding system.

　　24. Install the thermometer in a place where it can be clearly seen.

　　25. Install the thermometer in a place where it can be clearly seen.

　　26. Set the thermostat at 25-26 ℃.

　　27. Start the filter and submerged motor.

　　28. Remove the residual leaves of aquatic plants.

　　29. Carefully clean the inner surface of the aquarium glass.

　　30. Close the aquarium cover.

　　31. Turn on the light.

　　32. Set the timer properly.

　　33. Check all electronic control systems.

　　34. It is very important to record the installation date, water quality measurement, lighting conditions and other measured values with the analysis manual, so as to clarify the time when the fluorescent lamp needs to be replaced.

　　III. Step 3:

　　35. Add algae-eating fish (10 Thai flying foxes (Epalzeorynchus siamensis) and 6 black mollies (Peocilia sphenops). Do not feed these fish for two consecutive weeks to force them to remove algae.

　　IV. Step 4:

　　36. After two weeks, put other fish into the aquarium and start feeding them carefully.

　　V. Step 5:

　　37. Replace some water plants, plant some water plants that are more sensitive to water quality changes, and put some fish that are more sensitive to water quality changes. Note: every 1 cm long fish needs 2 liters of water, which should not be exceeded when feeding.