~Explanation of how a drop checker works~ - Page 2
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Old 05-10-2011, 02:32 AM   #16
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Quote:
Originally Posted by zenche View Post
when you guys say "reaction" from your plants to the CO2, what do you mean? i've been wondering if my CO2 diffusion is working well or not, but haven't determined what the visual signs should/would be.
The reaction I look for is: obvious good growth with no algae
Pearling is a pretty obvious sign that things are good, but it doesn't seem like a necessary goal.
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Old 05-10-2011, 04:40 AM   #17
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i rarely see my plants pearl

i feel like my plants are growing well...what bba i have, came with a bad plant package...i didn't do a bleach rinse, and thoroughly regret it but it doesn't seem to be spreading, so i guess that's also a good sign?
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Old 05-10-2011, 05:03 AM   #18
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Quote:
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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Old 05-10-2011, 05:04 AM   #19
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Quote:
Originally Posted by zenche View Post
i rarely see my plants pearl

i feel like my plants are growing well...what bba i have, came with a bad plant package...i didn't do a bleach rinse, and thoroughly regret it but it doesn't seem to be spreading, so i guess that's also a good sign?
x2 zenche.. I bleach everything now, even between tanks here at home. You just never know!
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Old 02-16-2012, 12:39 PM   #20
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Anyone know how often you have to change the solution in the drop checker?
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Old 02-22-2012, 04:04 AM   #21
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When it starts losing color. usually that's a month or so.
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Old 03-05-2012, 08:27 PM   #22
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I have been using the RedSea drop checker which does not come with a reference solution. My tap water is about 3-4 degrees KH so I have just been using tap water.

Should I get a new drop checker which actually comes with reference solution?
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Old 03-07-2012, 05:06 AM   #23
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you can buy reference solution by itself
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Old 08-29-2013, 11:06 PM   #24
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Quote:
Originally Posted by VeeSe View Post
As long as it doesn't go beyond partial differential equations or transformations of any sort, I should be able to follow.
For me it was fractions. I hate fractions.
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Old 10-24-2013, 09:26 AM   #25
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Good article, helped me understand the funcion of drop check

The shop keeper i go, has some really nice planted tanks in display and he said to me that he only changes the drop check solution months by months,
He uses the jbl one and says that he doesnt need to change it regulary since the co2 display levels are always good,

I dont know prices yet but if it inst that expensive to change monthly, better safe than sorry
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Old 03-08-2014, 07:08 PM   #26
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Here is a color chart - i find this very helpful


if you don' t have a reference solution just ignore the bottom row. The colors in the top row tell you where you are in terms of ppm CO2. Chart ONLY applies to quality dKH 4 solutions, if you use tank water for tap water to make your own solution then the comparison does not apply.
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