What's the best Salinity checker?
- Thread starter bam123
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richarddeweerd
Active Member
Call me oldschool; but nothing beats my old floating hydrometer. I've used this one for years, it is so easy to use.
bam123
Well-Known Member
I remember those. I don't trust them as microbubbles cause a problem and they get water everywhere.
+1 Vee Gee
joe berkman
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Two years with Milwaukee. So far so good.
ReefKeeperElite
Active Member
Milwaukee MA887 has always been accurate and convenient for me.
muzikalmatt
Valuable Member
Milwaukee MA887 has always been accurate and convenient for me.
^ This right here. Mine's been flawless since I got it and it's so much more convenient than most other options. I check the calibration every once in a while, but it's been right every time I've checked.
bam123
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Holy crap! 400 bucks?!?
piranhaman00
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Been searching for this too. Milwaukee are prone to read high by 0.002 I see from most people. Seems like refractometers are best bet with contant calibrating.
chipmunkofdoom2
Always Making Something
Over the years I've grown to dislike measuring salinity with refractive index. Obviously it works because almost everyone uses refractometers, but there are too many variables that could skew the results for my taste.
I got a conductivity meter (Pinpoint Salinity Monitor) and couldn't be happier. I haven't had to touch the calibration since I purchased it about 3 years ago.
I got a conductivity meter (Pinpoint Salinity Monitor) and couldn't be happier. I haven't had to touch the calibration since I purchased it about 3 years ago.
chvvkumar
Active Member
I love my Hanna meter. I used hydrometers and refractometers and still have them as a backup but the Hanna is unbeatab le in terms of convenience.
Dip in, check salinity and done. With the other two types of meters I've had to fiddle with them constantly to make sure there are no micro bubbles (hydrometer) and calibration (refractometer).
Dip in, check salinity and done. With the other two types of meters I've had to fiddle with them constantly to make sure there are no micro bubbles (hydrometer) and calibration (refractometer).
piranhaman00
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At only 60$ its cheap relatively, how does it compare with your refactometers? Do you consider it accurate? I know the Milwaukee people compensate for.
chvvkumar
Active Member
The thing is, the Hanna is consistent. While I can't comment on accuracy since I only have the three I mentioned with me and all three give me different readings, the Hanna is precise but I am not sure of accuracy.
It’s hard to find a refractometer that takes accuracy to a 4th decimal point. Some might feel like there’s a big enough difference between 1.0269 and 1.0260. Aim small miss small.
But that said, I also think the pinpoint salinity probe is awesome. It worked really well for me. And when the switch got finicky, the company replaced the entire device for me without issues.
I think it’s good to have two different methods to check salinity. Conductivity and refractometer, just to double check each other. If you have redundancy, you don’t need to get the most expensive model (kind of like dual return pumps).
Miller535
Valuable Member
That's by far the most expensive one I have ever seen. Is there something special about it that I am missing?
Daniel92481
Valuable Member
I prefer the Hanna digital salinity/temp checker. The accuracy is spot on and only needs recalibration every 3 months, or so. It changed my life.
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