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Old 04-13-2013, 11:33 AM   #1
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Does anyone use this drop checker? I followed the instructions on the paper it came with but the solution is not indicating any co2. I'm using a 2 liter DIY co2 bottle and getting about 1bps in a 10 gallon tank.
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Old 04-13-2013, 11:51 AM   #2
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How did you set it up? Are you using a 4dKH reference solution in it or are you using tank water? If using tank water, what is the pH and KH of your tank?
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Old 04-13-2013, 12:07 PM   #3
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The directions said to use their test solution(5 drops) and tank water the ph of the tank water after co2 is 6.4 before its 7.2. I don't have a Kh test.
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Old 04-13-2013, 12:09 PM   #4
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ok. That could be the issue. If you have an unusually high or low KH, it would throw off the accuracy of the drop checker to the point of making it unusable. I would suggest trying some 4dKH reference solution. Using tank water is not the best method.

something like this: 4 DKH Reference Solution for CO2 Drop Checker Ph | eBay

Or you can make it yourself using distilled water and baking soda, if you have some good measuring equipment (graduated cylinder, gram scale to .01).
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Old 04-13-2013, 12:43 PM   #5
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I have a good gram scale.
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Old 04-18-2013, 01:51 AM   #6
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I have the same kit if that's yellow I'm seeing you have waaay to much co2. Depending on your hardness here is a guide8 ill try to get a pic of the colors on the chart mine came with. Top is 8-15 dkh (hard water)bottom is 2-7 dkh (softer water)sorry about the blurryness bit its the color that matters



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Old 04-18-2013, 04:45 AM   #7
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Quote:
Originally Posted by fort384 View Post
ok. That could be the issue. If you have an unusually high or low KH, it would throw off the accuracy of the drop checker to the point of making it unusable. I would suggest trying some 4dKH reference solution. Using tank water is not the best method.

something like this: 4 DKH Reference Solution for CO2 Drop Checker Ph | eBay

Or you can make it yourself using distilled water and baking soda, if you have some good measuring equipment (graduated cylinder, gram scale to .01).
Thank you for that link I made some once but a week later someone ii n my house thought it was the jug with the water for her roses and it got mixed with her fertilizer lol I didn't feel like making more just yet so I ordered that I hope its as accurate as it claims
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Old 04-18-2013, 07:17 AM   #8
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I'm seeing orange, not yellow. I'm going to make the 4 dkh today and try that.
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