which lamotte nitrate kit to buy - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 04-05-2004, 06:52 PM Thread Starter
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I've decided to get a lamotte nitrate kit but noticed that there are a couple different kits out there. One is a nitrate/nitrogen model 3354 and I've also seen another kit for testing only nitrate, not nitrogen model 3109 or 3110. Anyone use one of these kits and if so what model # kit do you think is best for the testing we do on planted tanks?
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post #2 of 10 (permalink) Old 04-05-2004, 07:46 PM
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Not sure, but my friends LaMotte kit reads the same amount of nitrate in his tank as his $10 SeaChem test kit...

see where I'm going with this? (he now only uses the $60 LaMotte kit once a month to ensure his SeaChem kit is accurate...and it has been so far)

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post #3 of 10 (permalink) Old 04-06-2004, 05:35 AM Thread Starter
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I see where your going but I've already been there. I've had some bad luck trying some of the less expensive kits and I decided that the $37 for the lamotte kit would be worth it for myself in the long run insted of gambling and not knowing if what I'm reading is right or not.
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post #4 of 10 (permalink) Old 04-06-2004, 03:18 PM
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$37 isn't so bad...you're getting a good deal, and I know the refill's are cheaper still. sorry I can't help with which model is better.

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post #5 of 10 (permalink) Old 04-06-2004, 08:43 PM
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http://www.lamotte.com/pages/aqua/testkits.html
The only one I see on there website is the 3319 and 3354. I can double check my kit when I get home, but I would get the 3319 low range kit.
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post #6 of 10 (permalink) Old 04-12-2004, 05:58 PM
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You need to get the Lamotte low range. You take the reading you get and multiply by 4.4 to get the correct reading ppm.

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post #7 of 10 (permalink) Old 04-24-2004, 04:01 AM Thread Starter
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I went ahead and got the lamotte model 3110 kit. I like the color comarison gadget they have, very easy to determine readings with it. The test itself takes a lot longer than regular kits, about 15 minutes. Not too much trouble because I can test phosphates during that time period. The cadmium comes in a powdered form and is sort of hard to get a level scoop with the little spoon that comes with it but overall I think I like the kit.
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post #8 of 10 (permalink) Old 09-14-2004, 02:08 AM
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Quote:
Originally Posted by ken6217
You need to get the Lamotte low range. You take the reading you get and multiply by 4.4 to get the correct reading ppm.

Ken
Would someone please explain why you need to multiple the reading from the LaMotte test kit?

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post #9 of 10 (permalink) Old 09-14-2004, 02:45 AM
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For kits that measure nitrogen, not nitrate, you multiply by 4.4 to convert that reading into the nitrate equalivalent.

These provide a better view of your total nitrogen levels, cause nitrate isn't the only source for plants. But generally NO3 kits are just fine.
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post #10 of 10 (permalink) Old 09-15-2004, 08:24 AM
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Confused here...

I'm in the process of deciding on whether to get a LaMotte Nitrate test as well.

But now it seems that there are *three* different models?

3354 - measures 0, 1, 2, 4, 6, 8, 10, 15 ppm NO3--N (times 4.4 gives 0, 4.4, 8.8, 17.6, etc.)

3319 - measures 0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm NO3--N (times 4.4 gives 1.1, 2.2, 8.8, 17.6, etc.)

3310 - The only info I find on their site is in their kit instructions which says the color comparater has a range from 0.25 to 10 No3-N.

The only difference between the first two is the range measured at low mg/l. However the third looks like it measures the same as the 3319?

Clarification would be helpful! Thanks
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