07-30-2010, 12:48 PM
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Mardel Live NH3 accuracy?
Does anyone have any feedback on this ammonia monitor? I have read mixed reviews... I also have read one posted on this site awhile ago but am just looking for more insight...
I have had one in my tank for a week or so. When I first put it in I only had one guppy in my 10 gallon tank, and it showed 0 ammonia. I added more fish a few days ago and when I came in the next morning after adding the fish, it showed that the ammonia was at a stress-causing level (.02). So I did a 30% water change on Tuesday, and the reading didn't go down. Did another 30% water change yesterday morning, and I waited until mid-afternoon yesterday to see if the reading would go back down at all, and it never did. So I took it out, put it in a glass of drinking water and by the time I left the office a couple hours later, it still hadn't changed to 0 ammonia. This morning when I came to work, it had finally gone down and showed 0 ammonia. So I put it back in the tank to see what it'll do next... so far it's been back in my tank for almost 3 hours, and it's still showing 0 ammonia.
So... is it not to be trusted, or does it just take its sweet time registering a new reading? I think I am going to get a liquid testing kit soon...
(sorry if I should have posted this in the reviews section... I wasn't sure where I should put it since it's a review combined with a question).