chemistry

  1. ReBorn Calcium reactor media

    For sale ReBorn Calcium reactor media

    I have had this bucket for several years and am cleaning out my garage and want it to go to good use. It is my understanding that this is one of the best medias to use but is no longer available. Price is $60 plus actual shipping charge which I expect to be about $15.
    $75.00
  2. Hanna Checkers

    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
  3. Hanna Marine Salinity Tester HI98319

    For sale Hanna Marine Salinity Tester HI98319

    Selling a never opened Hanna Salinity Tester. US only, pay via PayPal. Price includes shipping (USPS) and PayPal fees.
    $60.00
  4. Titanium S3 - Triple Inline TDS Meter - AutoAqua
    Sold

    For sale Titanium S3 - Triple Inline TDS Meter - AutoAqua

    New in package Inline Titanium TDS Meter
    $25.00
  5. Hanna Checker Bundle

    For sale Hanna Checker Bundle

    Bundle of 4 like new Hanna Checkers. Less than a year old, including refills of all reagents and Hanna Salinity tester. Getting out of the hobby and getting rid of all my equipment. At this point not willing to break the bundle up, but if I don’t get any interested buyers I will.
    $180.00
  6. Hanna Checker Alkalinity Reagent [Fresh Water]

    For sale Hanna Checker Alkalinity Reagent [Fresh Water]

    I placed an order with BRS and seemed to order the wrong reagent. I know this is FW but BRS’s return policy for a $20 item isn’t worth it. $10 for shipping back, 10% restocking fee. I’ll be happy to let it go for $5 or a frag you don’t want.
    $20.00
    $20.00 to $5.00
  7. Hanna Cal (Calcium) Checker

    For sale Hanna Cal (Calcium) Checker

    Everything is in great condition, very well kept and maintained. You will need to buy a new bottle of reagent. Selling for $40 obo Location: Pa, 19114
    $40.00
  8. Hanna Phosphate Checker, Autoaqua Smart Micro ATO

    For sale Hanna Phosphate Checker, Autoaqua Smart Micro ATO

    Hanna phosphate HI713, works great, reagents are expired. Has the case as well. I also have an Autoaqua Smart Micro ATO, needs new tubing but works fine. Can throw in a tunze ATO pump too. Asking $90 shipped for all.
    $90.00
  9. Brightwell Reef Code B (Alkalinity) (1 Gal, 4L)

    For sale Brightwell Reef Code B (Alkalinity) (1 Gal, 4L)

    Brand new, never opened. Alkalinity (and trace elements) component of the Brightwell Reef Code dosing program. 1 gallon, 4 liters.
    $28.00
  10. Iggy305

    Nitrates & Phosphates

    Happy Holidays Fellow Reefers, Here’s the skinny… I have a Coral/Invert QT with a few frags in it, nothing flashy, couple of smallish rocks, frags, and some snails. Nitrate & Phosphate are consistently reading 0, everything seems happy, save a temperamental Kenya, but otherwise good. My...
  11. Triton Elements

    For sale Triton Elements

    Trtiton Elements—half gallon of 1, 3a, 3b, 1.5 gallon of 2. $45 for everything.
    $45.00
    $45.00
  12. Hanna 713 phosphate checker/ Icecap camera lens

    For sale Hanna 713 phosphate checker/ Icecap camera lens

    Brand New Phosphate Low Range Colorimeter HI713 Hanna Checker ( $30 shipped) Brand New IceCap Clip-On Photo Lens Kit( $20 shipped)
    $30.00
  13. Hanna Alk, Ca, ULR phosphate with awesome 3D printed holder
    Sold

    For sale Hanna Alk, Ca, ULR phosphate with awesome 3D printed holder

    All less than 1 year old and work flawlessly. Tests left: 6 Ca 4 PO4 Unknown Alk
    $100.00
  14. 4 Stage RODI System with TDS meter

    For sale 4 Stage RODI System with TDS meter

    For sale I have a Marine Depot 4 stage RODI system with TDS meter. Included with the unit is an extra refillable DI resin filter with a large bag of DI resin and a filter wrench. All shipped for $200.00.
    $200.00
  15. APEX Trident
    Sold

    For sale APEX Trident

    $475.00
    $450.00
  16. C

    Got my ATI results back and need help with a game plan.

    I just got my results back. I took my sample the same week that I started a chaeto reactor so know my nitrates and phosphates will come down, but am concerned that my nitrates are 135x my phosphates instead of about 10x like I see being ideal. I’m thinking of starting to dose NoPox but am unsure...
  17. Hanna Nitrate Low Range Checker HI781
    Sold

    For sale Hanna Nitrate Low Range Checker HI781

    Hanna Nitrate Low Range Checker HI781 bought brand new and used less than a handful of times (exp. 2025) - $35 shipped
    $35.00
  18. DOSING CONTAINER

    For sale DOSING CONTAINER

    Building an obsession dosing container with switch that can be connected to a breakout box as well as a dosing line. Very well-built, I don’t think he makes it any more. Quality. I have two available Great for two-part dosing. 60.00 each plus shipping
    $60.00
  19. Hanna dKH for sale

    For sale Hanna dKH for sale

    Used one time (reagents not expired) +shipping
    $35.00
  20. Hannah Copper

    For sale Hannah Copper

    Is Hannah copper tester for sale, Comes with 30 test packets in like brand new condition. Can ship to lower 48 states
    $40.00
  21. Selling: Hanna Alk, calcium and Phosphate ULR
    Closed

    For sale Selling: Hanna Alk, calcium and Phosphate ULR

    I am selling 3 Hanna checkers alk, calcium, and phosphate. They all work great. I purchased the new marine master and need to sell these. $35 each if purchased individually.
    $110.00
  22. Hannah Copper HR
    Closed

    For sale Hannah Copper HR

    Like new Hannah copper HR test kit With 31 total test packets. $45 includes US shipping
    $45.00
  23. Hanna Checker Package
    Sold

    For sale Hanna Checker Package

    Hanna checkers: nitrate, alkalinity, calcium, phosphate and salinity. All the checkers have 50% of the tests left. $150 shipped to lower 48.
    $150.00
  24. conlan75

    Alk creeping with auto water changes

    alright - I'm stumped on this. Tank is 3 months old, PH is between 8.1-8.2, Salt is at 33, MG is 1240, Calcium is 480 and Alk keeps creeping from 11 into the 12's. It got as high as 14, with Ca and Mg relatively the same. If I do a 30% water change, Alk drops some, I was able to drop it from the...
  25. New Pinpoint PH Probe with New Calibration Solution
    Sold

    For sale New Pinpoint PH Probe with New Calibration Solution

    Brand New Pinpoint PH Probe with new six new packets of Milwaukee calibration solution (4.01,7.01 and 10.01)
    $30.00
http://www.marcorocks.com/
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