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It may or may not be.Just had some NSW delivered from our local reef..Thought I'd look at the salinity with this device I recieved last week..Why so low? Is the device wrong?
Just had some NSW delivered from our local reef..Thought I'd look at the salinity with this device I recieved last week..Why so low? Is the device wrong?
A decent refractometer is the only way to go. You can get a less expensive one, as long as it is one that can be calibrated periodically. They are FAR more accurate.Just had some NSW delivered from our local reef..Thought I'd look at the salinity with this device I recieved last week..Why so low? Is the device wrong?
Good idea..Thanks.It may or may not be.
Has it been calibrated? I'm thinking not.
You can make your own fluid to check it.
After the fluid is made, and the device checked, mark it with a sharpie so you will know everytime.