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  1. Fishlips

    X4 Question

    Can you install 2 Ph probes instead of the ORP? I have a small tank next to my big one and don’t have any concerns with ORP. THX. Michael
  2. Fishlips

    Ph Calibration

    I got my new set up….and it gives you the options of 4,7 amd 10…..but the hydros 4 only came with 7 amd 10 Ph calibration packets? Do I need to order a Ph4 packet? Micheal
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