• PLEASE create your market listing (new for sale thread) HERE in our new marketplace! The new marketplace will allow you to create listings based on criteria that will help those searching for aquarium products and livestock find your items easier. You will also be able to accept online payment or your own method of outside payment. The new market will also allow you to pick and choose who you sell to easier, keep track of your products, give and receive feedback scores and much more! Thank you. For more info please see this thread or go directly to the Beta Market here.

Hanna Checkers $40 shipped! +more


Reef Monster

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May 7, 2018
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Calcium ppm (HI758) $40
Copper HR ppm (HI702) $40
Phosphorous ULR ppb (HI736) $40
Alkalinity dKH(HI772) $40 **needs reagent
Checktemp (HI98509) $30
Milwaukee MA887 Digital Seawater Refractometer $100

All Hanna Checkers will come with appropriate amount of vials.

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Have you ever had a reef tank with no sump and how did it go?

  • YES and it was just fine

    Votes: 301 58.4%
  • YES but it was difficult

    Votes: 97 18.8%
  • NO

    Votes: 106 20.6%
  • Other (please explain)

    Votes: 11 2.1%
TCK Corals