The Planted Tank Forum - View Single Post - ~Explanation of how a drop checker works~
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Old 05-10-2011, 05:03 AM   #18
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Originally Posted by btimmer92 View Post
Hold on scape, 6.6 should be the pH of the drop checker. Any number of things could affect the pH of the water. If you are using a controller, you should be focused on the pH drop between CO2-on, and CO2-off. Reference the red and blue highlighted lines.

Very good points to add, everyone!
Oh okay btmmer92, I see 6.6 on the contoller and the drop checker is green... (using reference 4dkh water)
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