In order to start well with Discus, there are some fairly simple rules to apply.
Common situations :
| Ideal | Basic | Temporary | Risky | Impossible | |
| Aquarium in gallons (liters) | 120 (450) | 70(250) | 55 (200) | – de 55 (200) | – de 40 (150) |
| Discus Quantity | 10 | 8 | 8 up to 10cm (4″) | less than 8 | less than 6 |
| Filtration | External | External | External | Internal filter or waterfall hang on back | Internal filter or waterfall hang on back |
| Air pump with bubbler | Yes | Yes | Yes | Yes | Yes |
| Ultraviolet Sterilizer | Yes | Yes | Yes | Yes | Yes |
| Gravel and planted | Yes | Yes | Yes | Yes | Yes |
| Other small community fish | Yes | Yes | Yes | Yes | Yes |
| Weekly water change | 20-30% | 20-30% | 20-30% | 20-30% | 20-30% |
| Ask for advice on Facebook | No | No | No | No | Yes |
Ideal :
The aquarium and the equipment will keep your Discus in very good conditions all their life.
Basic:
The aquarium and equipment will keep your Discus in good condition, but you may encounter some problems.
Temporary :
The aquarium and equipment will allow you to keep your small Discus in anticipation of a larger aquarium after a few months when they grow beyond 3-4 inches.
Risky :
The aquarium and equipment will keep your Discus at risk of problems.
Impossible :
Do not buy Discus.
Facebook and other social media are the worst places to go for information and advice. Instead, look for information in books, trusted websites or on our webpage : http://www.discusparadise.com/documentations/ce-quil-faut-savoir-sur-le-discus/