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ion-exchange resin

  1. El Natural
    hello, i might have just pulled a doozy. i'm not very good at pre-planning and asking questions BEFORE i set out. i'm setting up a new natural tank, and am using: regular gravel and used brita filter innards, topped with fluval stratum. brita filter innards are listed as coconut shell...
  2. El Natural
    hello, i might have just pulled a doozy. i'm setting up a new natural tank, and am using: regular gravel and used brita filter innards, topped with fluval stratum. brita filter innards are listed as coconut shell activated carbon and ion-exchange resin. did i make a huge mistake? does...
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