Hi Noah. I just received the iDip 570 Marine that I ordered from you at Reef A Palooza. I tried running the Alk test like you demo'd last night, but the meter just reported "Er2". Can you tell me what this message means, and what I might be doing wrong? I went through the instruction video and the written instructions to try to figure it out, but no luck after running the test three times. I then tried checking clicking the FAQ menu item in the app, but it just went to a blank page. I figured I would check with you before I wasted any more test strips.