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Old 02-05-2005, 12:44 PM   #1 (permalink)
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Default ACCURATE test kits?

hey guys, i use an aquarium pharm. test kit and i feel its not accurate, my lfs tested my tap PH at 7.8 and i tested it at 7.4. I also am in need of a phosphate test kit do u guys have any recommendations for that? What other test kits should i get? right now i only have nitrate, nitrite, ammonia, PH.
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Old 02-05-2005, 02:58 PM   #2 (permalink)
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If you inject CO2, the discrepancy between your and the LFS' results may be due to the fact that the CO2 is gassing out, causing the LFS reading to be slightly higher than the one you take at home.

Also, if you want accurate test kits (and are willing to pay), then LaMotte test kits are great. I've also heard that Hach makes good, reliable test kits as well
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Old 02-05-2005, 03:25 PM   #3 (permalink)
 
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Quote:
Originally Posted by Bavarian3
I also am in need of a phosphate test kit do u guys have any recommendations for that?
http://www.thatpetplace.com/Products.../Itemdy00.aspx
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Old 02-05-2005, 03:53 PM   #4 (permalink)
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Quote:
Originally Posted by Darkblade48
If you inject CO2, the discrepancy between your and the LFS' results may be due to the fact that the CO2 is gassing out, causing the LFS reading to be slightly higher than the one you take at home.

Also, if you want accurate test kits (and are willing to pay), then LaMotte test kits are great. I've also heard that Hach makes good, reliable test kits as well
LaMatte is more than im willing to pay. Just cant justify spending that much for a test kit. My tank is non co2 injected so yeah i dont know what the deal is.
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Old 02-05-2005, 03:55 PM   #5 (permalink)
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Originally Posted by TWood
never seent his website but they sure have alot of stuff! i came across the hagen test kits they seem to be good prices how are they?
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Old 02-05-2005, 04:18 PM   #6 (permalink)
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That Pet Place aka That Fish Place is sorta local to me, been shopping there for 30 odd years.
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Old 02-05-2005, 05:23 PM   #7 (permalink)
 
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Quote:
Originally Posted by Bavarian3
never seent his website but they sure have alot of stuff! i came across the hagen test kits they seem to be good prices how are they?
Dunno, I use and like the AP kits.

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Old 02-05-2005, 06:30 PM   #8 (permalink)
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Quote:
Originally Posted by Bavarian3
hey guys, i use an aquarium pharm. test kit and i feel its not accurate, my lfs tested my tap PH at 7.8 and i tested it at 7.4. I also am in need of a phosphate test kit do u guys have any recommendations for that? What other test kits should i get? right now i only have nitrate, nitrite, ammonia, PH.
The test kits you will need for a planted tank besides the ones you have are KH & GH. For the general test like PH, KH, GH about any brand will work: TetraTest, AP, RedSea etc.. For test kits like N03 & P04 where you need more accuracy go with Lamotte for N03 & Seachem for P04.



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Old 02-05-2005, 07:31 PM   #9 (permalink)
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LaMotte is the most accurate you can purchase...followed by Salifert (and much more economical). Anything else is getting you fairly close in the ballpark, but not necessarily that specific reading.
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Old 02-05-2005, 08:25 PM   #10 (permalink)
 
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The AP NO3 and PO4 kits are every bit as accurate as the Lamotte and other high priced kits. They are just not as precise. The AP NO3 kit can report 5 or 10ppm for example (among other readings) while the LaMotte can supposedly give a reading like 7.5ppm. Does it matter? No. I can extrapolate the AP readings close enough when the color falls between the charted values so that the AP kit ends up being at most 1-2ppm off in precision. Way more precise than we really need anyway.

IMO

TW

Last edited by TWood; 02-06-2005 at 05:05 AM..
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