digital tester

  1. J

    Pennsylvania Testing Drygoods Hanna checkers Alk, ULR Phos, High Nitrate kit

    I have High range Nitrate, ULR phos, and Alk checkers It has brand new box of Nitrate,alk and basically phosphate. I think I used maybe 2 test out of the new box. I have the original boxes as well and you get the little caddy i printed out. $150 for the trio expiration the alk is 2/24 phos11/25...
  2. J

    California RO/DI Testing Drygoods Apex El, RO/DI, test kits. $45-$350 California. Will ship at buyers expense.

    2 Neptune Apex el 350$ each BRS 75gpd RODI 6 stage 150$ SpectraPure 6 Stage CR-RODI-90-6STG 250$ 2 marine depot controller boards 100$ each Hanna salinity tester 45$ Klir Di-4 fleece roller. Fleece not included. 100$ Avast ATO Neptune Apex compatible 50$ Eheim air 400 20$ Santa Monica...
  3. AquaNerd

    IceCap's new digital pocket tester for Salinity & Temp

    http://aquanerd.com/2018/03/a-look-at-the-icecap-digital-pocket-tester.html
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