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Hanna Marine Salinity Tester
Just wondering if anyone has this? Or is planning on purchasing. I have been thinking about buying a digital salinity tester for some time to take the guesswork out of my refractometer. I noticed that Hanna has come out with a tester on the market. Any feedback would be much appreciated! Talk me in or out from buying this :lol:
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I ordered one 2 weeks ago from J&L. It hasn't come in yet. Seems to be the best one, good reviews from users. You need to buy the hanna calibration solution as well, cant be calibrated from other solutions. Needs to be calibrated monthly
I looked into the Poseidon Salinity Tester, supposed to be good, however I left several emails and phone messages with the company and they never got back to me. Not sure I want to buy a product from a company (Poseidon) with no customer service. Do you think your font is big enough? |
Mine is on order from Hoskin Sci. Of all the digital pens, etc, I chose it primarily because of the calibration standard (four of which are included), and because it isn't some random company. Price is no worse than those others.
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Ok that’s awesome! I also saw that it was on backorder from J&L. I think I will go ahead and purchase it. I considered the poisoden pen as well however when I saw the Hanna I figured why not...love their checkers for phosphate and alkalinity. Font size wasn’t that big...was it. |
Does have good reviews everywhere you look. Keep us informed Glen, I would like to ditch my coralvue one and get one of these instead. Thanks in advance for the review. :lol:
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Mine should be in on the 14th, I'll post a reference versus it and my other units.
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Haven't heard from you in a while hows the tank going? |
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Definitely post your honest feedback on the product as I don’t want to waste time or money if it isn’t what it’s cracked up to be.
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Hanna if you are listening I am open to offers. I am not too proud I can be bought. |
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Picking mine up today, will have a brief review later tonight.
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So, I went from BNIB to the first tank reading in about 10 minutes. By default it reads PPT / º C, changed those. Calibration was super easy, the test itself took about 10 seconds to stabilize for the final reading.
My tank should be at 78º F on the dot, Hanna reads 77.9º F. Now for the goods: Hanna HI98319 - 1.025 SG Refractometer ("calibrated"), between 1.025-1.026 SG Milwaukee MA887 - 1.027 SG I will at this point trust the Hanna more than the other two, simply because it has a traceable reference solution to calibrate off of. Debating selling the Milwaukee or just keeping it for "dirty" tank use (like the QT tanks). Happy with the purchase, the reagent box is like three times as big as the unit itself heh. Expiry on them is November 2023. I'll continue to see how things go, but I think they have a winner in this unit versus all the other "pens" coming onto the market. |
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Great information! I went ahead and ordered one as well.
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Hanna Marine Salinity Tester
I just looked up the specs for the Hanna meter , and it looks like the accuracy range is +/- 1 ppt , which I’m not too crazy about. Is this anymore accurate than a good quality refractometer ? I guess it’s still more convenient to use at least.
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If you only have one tank on an Apex controller you likely would not need this tool. |
Here is my review:
The good: Quickly tested 9 tanks. It automatically adjusts the salinity for the temperature of the tanks Fairly easy to setup and calibrate Calibration is good for a month. The bad: It uses a cr 2032 battery. Not something you normally would have at home. Expensive battery. It is only precise to +or-1ppt. Would be nice if it was a little more accurate. It only uses the hanna calibration solution packs. All in all I would say for my use it is perfect. Will let you know how it goes in a couple months. The unit comes with 4 calibration packs so you do not have to rush out and buy the calibration solution. |
CR2032's are pretty cheap, can get a two pack of actual branded Energizers at Princess Auto for like 4 bucks.
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