Quote:
Originally Posted by jgb77
It looks like the reference solution chamber, bottom one, has a plug in it to keep it from getting co2 enriched tank water into it. You take out the plug, fill it with the solution and put the plug back in.
I don't have one, that's just how it looks from the pictures.
John
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I think what you are seeing is the glass part were the reference solution is put in.....However, that could still be plugged! Not sure if that's how, but its one way!
Thanx!
