geophagus substrate

  1. M

    Geophagus and Flourite Black Sand

    Hi, Anyone kept Geophagus species using Flourite Black Sand? Is it safe for them? I've used FBS several times with good success in planted tanks, but now I want to set a tank up with some sand sifters, specifically Geophagus Sveni. I'll restrict areas with river stones and plant crypts in...