The Bristlenose pleco tank: 100 L, hardware and start-up
Bristlenose pleco : A tank of at least 100 L with several shaded shelters, as it avoids bright light during the day. One male per medium tank, since two males fight over hiding spots.
In our shop, for this use: Hollow moss-effect resin log for aquariums (€20.90) · the whole shop
Outside our shipping area? The downloadable practical guide: Beginner axolotl: aquarium and care (€19)
In short: 12 to 15 cm as an adult, 100 L minimum, water between 22 and 27 °C. A peaceful, nocturnal armored catfish, it hides by day and a single male rules the tank's cavities. Driftwood to rasp is vital for its digestion, and tank algae are never enough: supplement with blanched vegetables.
100 litres minimum: why that number
For a Bristlenose pleco reaching 14 cm as an adult, plan 100 real litres — and remember a big tank is more STABLE, hence easier, than a small one: parameters drift slowly, leaving time to correct. This volume suits a sturdy standard cabinet — just verify perfect levelness.
Hardware: filter, heater, lighting
The Bristlenose pleco tank’s technical trio starts with filtration — three to five volume turnovers per hour, a heater around 1 W per litre set to 22 to 27°C, backed by an independent thermometer — built-in thermostats sometimes lie, and lighting on a timer at 8 to 10 hours a day: any longer and the algae win.
Substrate, plants and start-up
A fine-sand substrate is mandatory for the Bristlenose pleco, a constant sifter — gravel wounds barbels and skin. robust plants (anubias, vallisneria, Java moss) and wood to structure the territory. Then patience: a complete nitrogen cycle (3 to 4 weeks, nitrites back to zero) before the first Bristlenose pleco — the step every hurried beginner pays for dearly.
Frequently asked questions
What tank size for a Bristlenose pleco?
A real 100 litres minimum — below that, parameters drift too fast to catch.
Does a Bristlenose pleco need a heater?
Yes, about 1 W per litre set to 22 to 27°C, with an independent thermometer double-checking the thermostat.
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