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Old 01-07-2007, 11:26 PM   #1
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QUICK response needed!! refractometer

ok i want to buy a refractometer and i dont know what to look for. i was planning on buying this on...
http://cgi.ebay.ca/New-ATC-Salinity-...QQcmdZViewItem
but i dont know if it is any good. i was also looking at this one..
http://cgi.ebay.ca/New-Salinity-Refr...QQcmdZViewItem
the only difference is the easy to adjust knob. what do u think? keep in mind that i am in canada and shipping kills me on other sites. i usually get hit with border fees.
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Old 01-07-2007, 11:52 PM   #2
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Personally, the "easy to calibrate knob" is a bad thing in my book. I'd rather have something that's hard to adjust so I accidentally can't mess with it. I've had my refractometer over 4 months now and it hasn't drifted a bit and hasn't needed calibration. Soooo... I wouldn't let "ease of calibration" be a driving factor.

I'm suspect of a lot of generic no-brand name stuff on eBay, so I'm probably not a good person to judge quality. But if I HAD to buy one of the two, I'd buy the first one you listed.
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Old 01-07-2007, 11:56 PM   #3
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ok sounds good. i asked anohter member on anohter site and they happend to own the exact same one so i went with it. i will update once i get it on how well it works.
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Old 01-08-2007, 12:07 AM   #4
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I got the RHS - 10ATC myself. I like the fact the easy calibration screw is hard to adjust.

Ditto on the first one being my choice if I had one.
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Old 01-08-2007, 12:16 AM   #5
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ya i had the same thought about the calibration screw. it would be wayyy to easy to bump. how do u like the ATC unit dscount? i have heard they are pretty decent from a few poeple now.
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Old 01-08-2007, 12:28 AM   #6
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I love it. Had to get distilled water to calibrate. Come to find out I didn't have any change to make. Which is good to be cautious.

Nice being able to quickly check the main tank salinity for a comparison to fresh SW I'm mixing as well LFS salinity of new fish. That way I can change the QT a little if I need to adjust my new fish friends for the main tank.

Kinda eliminates the "I'm pretty sure this is right" of those plastic gizmo's.
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Old 01-08-2007, 02:00 AM   #7
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I bought one from the seller, greatdel, that looks exactly like the first one.

I tested it with distilled water when I first got it and it was already adjusted perfectly.
I've been using it for about 6 months and it's never needed a readjustment yet.
I could never advise anyone to use a swingarm hydrometer after seeing how far off the mark the first 3 were that I tried.

Good luck with yours. I'm sure you'll be loving it as much as I do.
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Old 01-08-2007, 12:49 PM   #8
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I agree with the first one also
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Old 01-08-2007, 05:16 PM   #9
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Going to move this to appropiate forum
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