probe

  1. scobeyra

    California Equipment for sale from tank breakdowns

    Combined 3 smaller tanks into one RS Reefer 525xl. Have lots of misc equipment for sale. For shipping, add $15. For the Maxspect Razors add $25 shipping. apex jr, w/ temp & ph probe - $150 additional apex temp probe - $15 additional apex ph probe - $40 VDM Module - $50 PM1 module - $50...
  2. S

    Apex stuff and XR30 Pro Gen 3 LED Modules for sale.

    All prices shipped and payment via PayPal within the Continental USA. Neptune Systems Lab Grade PH Probe New - $50 Neptune Systems Double Junction Lab Grade ORP Probe New - $75 Neptune Systems Lab Grade Conductivity/Salinity Probe New - $110 XR30 Gen 3 Pro LED Modules New - $250 XR30/15...
  3. MaddyP

    Neptune Conductivity Probe - Weird Behavior

    Has anyone experienced something like this? It seems the probe is slowly dropping to a point them spiking back to normal. Nothing odd going on with the tank, ATO is working as expected. These spikes don't correlate with any of the other equipment operating. #apexusers
  4. Fr4nkthet4nk

    How often do I have to calibrate APEX PH probe?

    I bought My APEX 7 month ago. I want to know if I need to recalibrate my PH Probe and how often? Thank you in Advance
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