hannah

  1. R

    Idaho Powerheads Testing AI Prime 16

    SOLD
  2. Z

    Nevada Testing Dry Goods Hannah Checker Kits

    Everything you see in pics is included including the 3D printed stands. $125 shipped
  3. Iant419

    Dosing iodine to freshwater and testing with Hannah iodine checker. Possible?

    So I accidentally bought the Hannah iodine tester for freshwater and have been wondering how I could safely dose to the reef tank without an ICP test. I was thinking I could add iodine to an ATO or mix it in my freshwater and then test prior to adding salt to achieve .06 iodine levels. I'm not...
  4. Leon Gorani

    Still have algae with low nutrients and how reliable are Hannah phosphate checkers?

    Hi so I have a pretty new tank, only 5 months old about, and I have two things I am questioning. First, I had somewhat high phosphates in July they were about .48, and my nitrates have never been higher than 6ppm on my Red Sea test kit. But I have a lot of green hair algae, which I thought came...
  5. K

    Alabama Hannah Checker 3 Pack

    Hannah Checkers (just the checkers) Alk Calc w New Box of Titrates Phosphorus ULR These do not have titrates, except for the calcium which has a new one (others are expired and trash). $130 shipped in contiguous USA. Thanks!
  6. Aaron Davis

    WTT Hannah Calcium for Hannah Nitrate

    I have a spare Hannah Calcium tester I’m looking to trade for a Hannah Nitrate tester. If you have one to trade or sell; hit me up. Thanks.
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