recall

  1. reefsaver

    Is Anyone's Hanna Magnesium Checker Not Reading High?

    I've heard about the problem of Hanna's Magnesium colorimeter reading high and recently learned that you can fill out a form on the Hanna website to get them to send out a new Reagent to correct the issue. But has anyone not had to do this and is getting similar results to other tests they do? I...
  2. CenlaReefer

    Coralife SW mix likely needs to be recalled.

    I tested my salt water mix from Coralife this morning. With salinity at 1.025, the level of calcium was so low that it did not even register on the chart using my Red Sea Reef Foundation test kit. The titrant used was less than .18 mL. The chart goes as low as .58 which indicates a calcium...
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