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[TankCandy]

Merry Christmas all!!

I have and love my Hanna alk checker, but once I got a new bottle of reagent and suddenly my checker read considerably higher. Honestly I trust my Red Sea test kit more than any other.

Don’t raise alk too quickly. A large change is likely harder on the corals than the lower alk.

I opened up a ticket with SaltWaterAquarium about this issue. they are sending out HI755S and saying its the same as HI772S (SaltwaterAquarium says: Hanna told us its the same...). I opened up 3 boxes just to confirm. 755S is consistency .8-.9 lower than the 772S's. I have to use a sharpie and write +.8 on all the 755S's.. Told SaltWaterAquarium that you got a lot of stick heads chasing the wrong numbers.

 

[Mschmidt]

Morning y'all and merry Christmas!

 

[billyocean]

So

Merry Christmas all!!

I opened up a ticket with SaltWaterAquarium about this issue. they are sending out HI755S and saying its the same as HI772S (SaltwaterAquarium says: Hanna told us its the same...). I opened up 3 boxes just to confirm. 755S is consistency .8-.9 lower than the 772S's. I have to use a sharpie and write +.8 on all the 755S's.. Told SaltWaterAquarium that you got a lot of stick heads chasing the wrong numbers.

Which one is right..I had this problem as well...772s I presume is correct?

 

[TankCandy]

So
Which one is right..I had this problem as well...772s I presume is correct?

Yes the 772S is the correct reading. I aim for 8.4ALK and when i see 7.5ish on the other i know i am good.

 

[billyocean]

I assumed the same because mine went from 8.2 to 7.4 in one day which was..

 

[pandaparties]

Merry Christmas everyone! Hope you all have an awesome day

 

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[Gtinnel]

Merry Christmas all!!

I opened up a ticket with SaltWaterAquarium about this issue. they are sending out HI755S and saying its the same as HI772S (SaltwaterAquarium says: Hanna told us its the same...). I opened up 3 boxes just to confirm. 755S is consistency .8-.9 lower than the 772S's. I have to use a sharpie and write +.8 on all the 755S's.. Told SaltWaterAquarium that you got a lot of stick heads chasing the wrong numbers.

I have only used the HI-772 and honestly I have never paid close attention to what label was on the reagent. My understanding was that the reagents were exactly the same and the only difference between the checkers was that one had to convert the reading to a different unit of measurement.
Did saltwateraquarium confirm there was a difference or has it just been in your experience. I will say that I used several bottles of reagent and always had a trusted reading then on a different bottle my reading was off. I still have a unopened bottle of reagent I may see if they have different labels and test my water with each to see what I get.

 

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[billyocean]

Thought it was older..turns out it was actually a different alk regent...which was about .8 lower.

 

[TankCandy]

I have only used the HI-772 and honestly I have never paid close attention to what label was on the reagent. My understanding was that the reagents were exactly the same and the only difference between the checkers was that one had to convert the reading to a different unit of measurement.
Did saltwateraquarium confirm there was a difference or has it just been in your experience. I will say that I used several bottles of reagent and always had a trusted reading then on a different bottle my reading was off. I still have a unopened bottle of reagent I may see if they have different labels and test my water with each to see what I get.

This was the answer i received.

I did not reply back since i would just be wasting my time. I guarantee if you open up that bottle you'll get a .8 or .9 difference.

 

[Missro]

Merry Christmas!!

 

[TankCandy]

The consistency is good with either reagent. Just keep in mind the delta between the 2.

 

[billyocean]

The consistency is good with either reagent. Just keep in mind the delta between the 2.

If kept in fridge it remains constant for either one of them...but quite confusing to someone who doesn't know. I got a new bottle and 8.2 went to 7.4 overnight. After making sure my doser worked I knew it was wrong b/c I check it every day or two (too much probably but i over test for trends). Alk was a constant 8.1-8.2 for weeks..then..boom! People who don't know will make erroneous adjustments so I feel like more people should say something.

 

[billyocean]

I will shoot an email to hanna for what it's worth.

 

[steveschuerger]

 

[steveschuerger]

Merry Christmas once again all. @tbrown3589 this is more my cats speed. She actually ignores the tree pretty much. All tired out from trying to steal cheese from the danishes we were having for breakfast.