Remember to calibrate Refractor

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orbela

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I just calibrated my refractor and was about to do a water change but my refractor meter said it was at 1.026 in reality it was 1.019. Good thing I remember to go buy a salinity calibration solution. Was about cause a crash


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Good reminder. Gonna calibrate tonight when i mix up some water. That is of course if i can find my solution, its been a year or so since i last used it.
 
solitude127

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orbela said:
I just calibrated my refractor and was about to do a water change but my refractor meter said it was at 1.026 in reality it was 1.019. Good thing I remember to go buy a salinity calibration solution. Was about cause a crash


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Just a thought... how do you know your calibration solution is actually what it says it is? how do you know it didn't evaporate in the warm warehouse it was made in, then in the warm container it was shipped in to the wholesaler, then who knows how long it sat at the wholesalers warm warehouse, then in the warm truck delivery truck to your house
 
BeanMachine

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solitude127 said:
Just a thought... how do you know your calibration solution is actually what it says it is? how do you know it didn't evaporate in the warm warehouse it was made in, then in the warm container it was shipped in to the wholesaler, then who knows how long it sat at the wholesalers warm warehouse, then in the warm truck delivery truck to your house
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I would assume if the lid is tightly sealed, it shouldn't evaporate? But that is definitely a good point.
 
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BeanMachine said:
I would assume if the lid is tightly sealed, it shouldn't evaporate? But that is definitely a good point.
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it'll still evaporate but not as quick if the cap was off.

I'd feel more comfortable it the manufacturer of the calibration solution put a creation date on it.
 
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orbela

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solitude127 said:
Just a thought... how do you know your calibration solution is actually what it says it is? how do you know it didn't evaporate in the warm warehouse it was made in, then in the warm container it was shipped in to the wholesaler, then who knows how long it sat at the wholesalers warm warehouse, then in the warm truck delivery truck to your house
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Good point. Make sure it is sealed and before you open make sure it is cooled down then shake to rehydrate. I actually had this problem while test nannochloropsis.


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BeanMachine

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solitude127 said:
it'll still evaporate but not as quick if the cap was off.

I'd feel more comfortable it the manufacturer of the calibration solution put a creation date on it.
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For sure, but what good would the creation date be if the cap is left off, or loose, stored in a warm environment, etc etc.
 
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solitude127 said:
it'll still evaporate but not as quick if the cap was off.

I'd feel more comfortable it the manufacturer of the calibration solution put a creation date on it.
Click to expand...
It doesn't matter how long the bottle been manufactured it will still be the salinity as long as the top sealed and there is no wholes in the bottle


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BeanMachine said:
For sure, but what good would the creation date be if the cap is left off, or loose, stored in a warm environment, etc etc.
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Sorry, I should have been more clear. If I purchased the solution, I'd like it to have some sort of seal and a manufactured date so I know how fresh it is. If something has been sitting on a shelf for 5 years, it'll probably less accurate than something manufactured a week ago. But after I purchase it, it'll be up to me to keep it sealed
 
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orbela said:
It doesn't matter how long the bottle been manufactured it will still be the salinity as long as the top sealed and there is no wholes in the bottle


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I disagree. I feel that if something is 5 years old vs something that is a week old (assuming both are sealed equally) will be less accurate.
 
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orbela

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solitude127 said:
I disagree. I feel that if something is 5 years old vs something that is a week old (assuming both are sealed equally) will be less accurate.
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I would agree on a supplement for example calcium or organic material like bacteria. But with salinity it it can be destroyed further.


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orbela

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I worded that wrong
I meant you can't breakdown salt with heat unless it extreme heat which it will not be expose to.


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