Favorite CO2 drop checker?
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Old 01-09-2013, 01:44 AM   #1
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Favorite CO2 drop checker?

Good evening, I'm just curious if anyone had any favorite drop checkers.

I saw this little guy:


Looks tiny and seems like I can stash it away without losing too much viewing real estate. I was going to get one of the GLA options, but those just look a bit large.
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Old 01-09-2013, 02:00 AM   #2
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just using red sea version. seems to work ok.

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Old 01-09-2013, 03:08 AM   #3
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Cal Aqua nano drop checker, also have the cal aqua clip version on another tank to
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Old 01-09-2013, 03:18 AM   #4
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Drop checkers are drop checkers. The fewer number of rubber seals, the better. The cheapo Evilbay single-unit glass dc's will last longest. However, if you're looking for something cheap and plastic, search Amazon for "CO2 drop checker" and you'll find a similar unit for half that price.
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Old 01-09-2013, 03:27 AM   #5
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I use the one in the OP. It's nice that it has a white background, so it's easier to tell the color of the solution.
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Old 01-09-2013, 06:56 AM   #6
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I've got two of the Up Aqua's, the only complaint is they don't stick for more then a week.
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Old 01-31-2013, 04:56 PM   #7
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How many drops of ph solution are you using with 4kdh solution when using up aqua's drop checker? Instructions say 5 but the solution appears to be really dark. I'm having trouble seeing changes despite increasing CO2.
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Old 01-31-2013, 05:11 PM   #8
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I had the one in the OP and did not like it. Suction cup quality was poor and it would constantly float off. I have an all glass one off eBay now and like it better aesthetically as well.
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Old 01-31-2013, 10:18 PM   #9
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Aesthetically, I think the ADA one is the best. The cal aqua nano is probably the smallest. The older one was better looking than the new one which I currently own. It's still pretty sweet for the price. I would imagine the any of the white plastic ones are the easiest to read.
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