hanna phosphate

  1. Mppp

    Hanna ULR Phoshate Checker - 3 different readings?

    I just ran 3 tests in a row on my Hanna ULR Phosphate and had 3 different results. (Between .09 2nd test and 3rd I decided to put in a new battery just for heck of it btw) .18ppm .09ppm .21ppm Has anyone else ran a couple to few tests in a row w/ different ranges outside the margin of error...
  2. Bonsai reef

    Texas Testing Drygoods Hanna checker - LR Phosphate (new)

    This is a 1 week old Hanna Checker - LR Phosphate - used 2 times only. Comes with 3 packs of reagent and original box, battery, 2 vials. Asking 50. Can ship at owners cost. Have purchase receipt of Mar 9th 2023.
  3. Rowboman

    EMERGENCY Unbelievably high Phosphates

    So last night I did my weekly phosphate test and got a reading of 0.5. This is over 3 times the highest reading I’ve ever had on this tank!! I normally run under 0.1 and actually have to dose phosphates and nitrates occasionally because they tend to bottom out. I added GFO to My carbon...
  4. Abhishek

    Minnesota Testing Drygoods SOLD Hanna Alkalinity , Phosphate checkers and pH Bluetooth probe HI12302

    Hi , Left hobby but have Hanna Alkalinity , Phosphate checkers which were bought in end of 2020 and almost new . Plus a very special Hanna HI 12302 field blue tooth pH meter that was used to check pH accurately . It connects to Hanna Lab app in iOS and android . normally this sells for 200$ ...
  5. X

    New York Filters Testing Drygoods Hanna Test Kits Phosphate and Phosphorus and Low Range also

    I have a few items for sale all used Hanna Phosphorus ULR HI 736 - $35 comes with expired regs new in box Hanna Phosphate ULR HI 713 - $35 Hanna Phosphate Low Range HI 93713 - $75 Comes with new glass and expired regs
  6. Typhon

    North Carolina Powerheads Testing Drygoods Spring Cleaning - Ecotech MP40mQD, Hanna Checker Phospate LR.

    Doing little spring cleaning. All items are available to be shipped. Please DM for shipping quote. 1) Ecotech VorTech MP40mQD - Mobius Ready QuietDrive Propeller Pump Mfg 2017, but only been used for 2 years One of propeller guard ribs is missing but doesn't seems to affect performance. (See...
  7. doughboy

    California Testing Drygoods SOLD Hanna HI774 Phosphate ULR ppm -$35 shipped

    Selling a Hanna HI 774 Phosphate URL tester in good working condition for $35 shipped with paypal payment. No test packet. Please PM, preferably with cell and your zip/address, if interested. Thanks,
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