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Red Sea Magnesium Pro
Reagent Refill Kit

SKU: 207083


  • The best mg test kit out there By David on 10/25/13

    By far the most accurate mg test kit on the market for hobbiest use.
  • it's all about timing By Ryan on 8/22/13

    you have to follow the directions exactly in order for it to work. Add a drop then swish for 15 seconds then add the next, repeat 5 times.
  • Great price By Miguel on 4/23/12

    Love this product..was affraid of having to pay so much juay for refills, but then I saw thier prices...great!

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