🧰Accessories for a Discus: tests, upkeep and budget
Discus : An RO unit, a powerful external filter, a 250 to 300 W heater and a reliable thermometer are essential. Expect 400 to 800 euros of equipment, excluding the fish, which often cost more than 50 euros each.
In short: 15 to 20 cm as an adult, 300 L minimum for a group of 5, very soft water between 28 and 30 °C. A gregarious, shy cichlid that forms a group hierarchy and gets outcompeted at feeding time if too harassed. The most demanding for water quality: very soft, acidic, at 28-30 °C, with an RO unit and frequent water changes essential.
Water tests: your dashboard
The first smart buy for a Discus costs €15 to 30: the drop-test kit, out weekly for NO2-NO3 and at any doubt for GH, KH and pH. Complete it with a net matched to its 18 cm, a gravel siphon for maintenance and a bucket strictly reserved for the tank: residual detergent from a household bucket is poison.
The Discus specifics
a backup heater in the cupboard: at these temperatures, a 24-hour failure costs dearly; a battery backup air pump: at full stocking, a filtration failure is measured in hours.
The full budget, no surprises
An equipped 300 L setup (tank, filter, heater, lighting, substrate, decor, tests): expect €400 to 900 upfront, then €10 to 25 a month (food, electricity, conditioner). Second-hand often halves the tank price — only the filter and heater deserve to be new. Details on the full Discus profile.
Frequently asked questions
Which accessories are essential for a Discus tank?
Drop tests, siphon, net, dedicated bucket, an independent thermometer: the whole kit stays under €60.
What budget for keeping a Discus?
€400 to 900 to set up an equipped 300 L tank, then €10 to 25 a month in routine costs.
The guides that apply to you
- Gourami: why it needs free access to the water surface
The gourami also breathes atmospheric air thanks to a unique organ, the labyrinth. That changes how you set up its tank: surface space, gentle filtration and a well-thought-out lid.
- Should you turn off the aquarium filter at night? The clear answer
Switching the filter off at night to save money or noise is a false good idea. Why the filter must run 24/7 and what really happens when you stop it.
- Water Clarifiers (Flocculants): How They Clear Up a Cloudy Aquarium
A water clarifier clumps together microscopic suspended particles so the filter can finally catch them: the principle explained simply.
- How much does an aquarium cost per month? Electricity, food and consumables
How much does an aquarium cost per month? Allow 10 to 25 € for a 100-litre tank, electricity included. Item-by-item breakdown: heating, lighting, food, water.