freshwater saltcups?

Discussion in 'General Freshwater Information' started by Guest, Sep 26, 2004.

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  1. Guest

    Guest Guest

    how exactly do i make a salt cup [diffuser or container] for freshwater fish that breeds? i saw this at petco and the guy said i should do this, i have one of those small containers with a lip that holds betta, how many holes should i punch into it and how much salt in it? please help me. im 16 from california. my tank is a 30gal