Are the cheap e-bay drop checkers OK? - The Planted Tank Forum
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post #1 of 41 (permalink) Old 01-08-2011, 06:39 PM Thread Starter
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Are the cheap e-bay drop checkers OK?

I think the title says is all.

Are the cheap e-bay drop checkers OK, or do you get more for your money if you buy one of the name brand drop checkers?

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post #2 of 41 (permalink) Old 01-08-2011, 06:48 PM
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Its the same thing, dont waste money on 20-30$ DCs
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post #3 of 41 (permalink) Old 01-08-2011, 06:49 PM
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I don't know, never had one but you may want to look here: http://www.greenleafaquariums.com/co...indicator.html
I just got mine from a member here and they are awesome, well worth the money.

___My 120 Gallon___ EHEIM PIMP #407, 2x 2229, 2x 1250 Hobby Pumps, 1x Ecco 2236, and 1x Eheim Sludge Extractor

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post #4 of 41 (permalink) Old 01-08-2011, 06:50 PM Thread Starter
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Quote:
Originally Posted by majstor76 View Post
Its the same thing, dont waste money on 20-30$ DCs
That's what I figured. In know the actual glass housing wouldn't matter, just wasn't sure about the solution. I've never had a drop checker before and I have to admit I have the same "what if I do it wrong" feeling that I had when starting my reef tank years ago.

But I seemed to figure that one out.
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post #5 of 41 (permalink) Old 01-08-2011, 06:56 PM Thread Starter
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Originally Posted by northey87 View Post
I don't know, never had one but you may want to look here: http://www.greenleafaquariums.com/co...indicator.html
I just got mine from a member here and they are awesome, well worth the money.
Yeah, but I'm looking at $20.59 shipped for the name brand vs. $7.20 shipped for the non-name brand.

That's another $13 that I could spend on plants or fish. But if there is any reasn to spend that extra $13 then it won't kill me. But I just can't see spending almost 3 times more for something that works just the same.
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post #6 of 41 (permalink) Old 01-08-2011, 06:56 PM
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Yup, the Ebay DC's work great.

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post #7 of 41 (permalink) Old 01-08-2011, 06:58 PM Thread Starter
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Originally Posted by ridewake210 View Post
Yup, the Ebay DC's work great.
Good to hear. I'll wait on a few more folks to reply, but I think I'll go with the cheap one then. Plus I like the looks of the cheap one, so that's just a bonus.
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post #8 of 41 (permalink) Old 01-08-2011, 07:00 PM
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With the ebay version(and most others) you will need to make or buy 4dkh solution. You need to use 4 dkh solution and the "indicator" solution they sell mixed together.

I don't care what the directions say on any of the packages. This is correct.
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post #9 of 41 (permalink) Old 01-08-2011, 07:03 PM
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The ADA knock offs work fine. Just ignore the instructions that come with almost every drop checker since they tell you to put tank water in them. If you have a standard pH test kit (bromothymol blue) you can toss the reagent they give you and use the reagent you already have. The reagent with the cheap drop checkers is probably fine, though.

Originally drop checkers were used to show you the pH of the tank water that is why the directions say to put tank water in them. I am pretty sure Hoppy was the one who figured out you could put 4 dKH water in the drop checker with the pH reagent and that it would turn green (neutral pH) when the CO2 concentration was around 30ppm.
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post #10 of 41 (permalink) Old 01-08-2011, 07:10 PM Thread Starter
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Quote:
Originally Posted by over_stocked View Post
With the ebay version(and most others) you will need to make or buy 4dkh solution. You need to use 4 dkh solution and the "indicator" solution they sell mixed together.

I don't care what the directions say on any of the packages. This is correct.

I was planning on taking some RO/DI water and adding baking soda until it tested at 4 dkh.

I'm assuming that's the propper method???
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post #11 of 41 (permalink) Old 01-08-2011, 07:11 PM
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The other thing you have to watch is where its coming from, most if not all the people that get them from ebay report that it takes 2-3 weeks to recieve, mainly ones shipped from Asia.

___My 120 Gallon___ EHEIM PIMP #407, 2x 2229, 2x 1250 Hobby Pumps, 1x Ecco 2236, and 1x Eheim Sludge Extractor

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post #12 of 41 (permalink) Old 01-08-2011, 07:11 PM
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Quote:
Originally Posted by northey87 View Post
I don't know, never had one but you may want to look here: http://www.greenleafaquariums.com/co...indicator.html
I just got mine from a member here and they are awesome, well worth the money.
+1 for this WaterPlant drop checker. I sell these and I use them in my tanks. With the all glass checkers it becomes difficult to actually see what color the solution is. The WaterPlant checker has a white background and is super easy to read. More accurate reading and less guessing. Also this checker comes with pre-mixed solution so you won't have to track down or make any 4dkh solution to mix with the bromo blue thats included with the ebay checker. Nobody previously mentioned these points and I think they are pretty important.
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post #13 of 41 (permalink) Old 01-08-2011, 07:14 PM Thread Starter
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Originally Posted by northey87 View Post
The other thing you have to watch is where its coming from, most if not all the people that get them from ebay report that it takes 2-3 weeks to recieve, mainly ones shipped from Asia.
Not a problem since I'll be doing the emmersed setup for over a month.

Quote:
Originally Posted by GitMoe View Post
The WaterPlant checker has a white background and is super easy to read. More accurate reading and less guessing. Also this checker comes with pre-mixed solution so you won't have to track down or make any 4dkh solution to mix with the bromo blue

Point taken.
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post #14 of 41 (permalink) Old 01-08-2011, 08:22 PM
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I got mine shipped from a ebay dealer in Asia for one week. The drop checker itself doesn't matter, the only thing that tells you the co2 lel is the liquid. Which you can DIY or buy from GLA.
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post #15 of 41 (permalink) Old 01-08-2011, 08:26 PM Thread Starter
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I got mine shipped from a ebay dealer in Asia for one week. The drop checker itself doesn't matter, the only thing that tells you the co2 lel is the liquid. Which you can DIY or buy from GLA.

Right, but the liquid itself is really my main concern. If I can mix my own water to 4 dkh (not hard) and use the stuff that comes with the cheap kit I'll do that.
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