hannah

  1. Z

    Nevada Testing Drygoods Hannah Checker Kits

    Everything you see in pics is included including the 3D printed stands. $125 shipped
  2. 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...
  3. Equipment _ Cal Reactor, UV, Doser, Gyres, pumps, Misc.
    Closed

    For sale Equipment _ Cal Reactor, UV, Doser, Gyres, pumps, Misc.

    Everything listed is in perfect working order with most items in like-new condition. PM me if you have any questions related to a specific item or want additional pictures. I am willing to ship most items but the pricing below does not include shipping. Reef Octopus SRO-CR-3000D Calcium...
    $123.00
    • TheDuude
    • Classified ad
    • calcium reactor doser pump dosing pump drygoods gyre hannah reeflink uv sterilizer wave maker
    • Category: Miscellaneous Dry Goods
  4. Hanna Checkers
    Sold

    For sale Hanna Checkers

    Hanna HI772 Marine DKH Alkalinity Checker HC ALK $40 Hanna Instruments HI758U Marine Calcium Checker $40 Bought both from BRS in November 2021 and never used Will ship on your dime via Priority Mail from Folsom, CA Payments vía PayPal (no FF, no Venmo, no Zelle)
    $1.00
  5. 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...
  6. 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!
  7. 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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