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activated carbon

  1. Betta Fish Bowls, Habitats, and Accessories
    Hi, newbie here! :P So, I'm attempting to cycle a 10 gal and bought some clearly labeled "pure ammonia." However, upon getting it home and getting the ammonia level up to ~5ppm, my tank would have impressed any toddler playing during their bubble bath. Seriously, there were like 3 inches of...
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