You might have issues with this stocking, imo. Both panda garra and a BN pleco in a smaller tank, this could be a big issue with territory, plus panda garra and BN both get a decent size in their own right as well. You may definitely want to upgrade in the future
Adult domestic bristlenose size.
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Because of their size and bioload, a 114 liter minimum is usually better for domestic bristlenose, unless you are breeding a pair in a species only setup. But a community, water parameters will be more forgiving in a larger tank. So, I'd be preparing to upgrade if you go with this fish, and you should be good. You'd want to monitor the garra with the pleco, they could fight over space in too small of a tank. Garra can be turds.