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ESV B-Ionic Calcium Buffer System

  • Excellent product By ReefGeek on 11/27/2014

    It's very easy to use and keeps parameters right on.
  • 2 part solution By jsteel on 11/27/2014

    I saw a review on you tube about this 2 part solution and just started using it. I'll let you know how it works out later.
  • great product great price By Bruce on 10/30/2014

    I bought the 1 gallon sizes, easy to mix and use... works perfectly
  • works great By Theodore on 2/17/2014

    i have been using this stuff since the beginning. calcium and alkalinity always in range, corals happy that's all that matters
  • keeps tank balanced By james on 12/4/2013

    ez to use i have a 125 gallon reef tank and don't need much to balance tank .
  • Awsome stuff By Fishaddict on 9/17/2013

    I have been using this for about 6 months and all my corals are growing rediculously fast. Great stuff!
  • Best two part for Nano systems By Dip on 8/23/2013

    I have been using this two part additive for my nano reef for almost a year now and I won't be using any other two part additive as long as I have a tank smaller than 100g. This is best two part which is easy to mix and use.
  • +1 ESV By Joseph on 12/22/2012

    Been using for years and have been very happy with the product. Fast, easy and cheap, great 2 part!
  • THE ONLY TWO PART YOU NEED By Heriberto on 11/27/2012

    I started using this brand recommended by my local marine fish store. I bought it there for 20 dollars more than if I would have bought it on BRS. so far I have order this twice. Great product. I also bought BRS two part, seems to last more than this, but if you have a smaller thank it's easier to get this.
  • Great product! By taylor on 10/28/2012

    I have been using this for a year. It works great in my sps tank. Great price and lasts forever.

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