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Aqua Craft Refractometer Calibration Fluid

SKU: 205172

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  • Fast and easy By Eckolancer on 3/20/13
    Eckolancer would recommend this product to a friend
    Great product to use, makes calibrating very fast and easy.

  • Not something to go cheap on By Dave on 12/21/12
    Dave would recommend this product to a friend
    With the amount of money I have in my tank there is no way I would not have a refractometer. That said, without an accurate calibration fluid the refractometer is useless.

    This fliud does the job and does it well. This is the second bottle I have re-ordered from BRS and when it runs out, I'll be ordering it again.

  • This is only optional if you want to do it wrong By Nick on 11/1/12
    Nick would recommend this product to a friend
    Marine tanks are too costly to go cheap on the salinity, so having a properly calibrated refractometer is essential. This does the job perfectly, at a very reasonable price. So many people can't be wrong about this... use the calibration fluid!

  • ezpz By j on 10/9/12
    j would recommend this product to a friend
    turns out my calibrating with ro/di had my refractometer off by .002
    Calibration fluid was well worth it

  • On point. By Jocelyn on 7/3/12
    Jocelyn would recommend this product to a friend
    This solution is the back bone to keeping my paramount check. 4 stars because I do believe it's a little pricey. Having said that it is a decent sized bottle and the built in dropper is great. I will not have to buy this for a while so that makes up for a dollar or two difference I've seen in lesser quality solutions.

  • A necessity for just $7 By John on 4/26/12
    John would recommend this product to a friend
    This is a great item to keep on hand. Having a refractometer not calibrated correctly can cause major issues. There is enough fluid to last for a very long time. Great product!

  • must have! By Darrell on 2/5/12
    Darrell would recommend this product to a friend
    ok folks, add this to the "must have" list of your tank maintainence and testing supplies! I have always calibrated to 0ppt using ro/di. after getting this calibration fluid I discovered by refractometer was off by 2.5! so, i was actually mixing my salt to 1.023 1/2 instead of 1.026.

  • Worth it! By Justin on 2/1/12
    Justin would recommend this product to a friend
    I was using RO/DI water to calibrate and I am glad I switched to this! My refractometer was off by quite a bit! The built in dropper is nice as well!

  • just what I needed! By Dan "Deva" on 1/23/12
    Dan "Deva" would recommend this product to a friend
    was going to make some DIY calibration fluid but felt ALOT safer getting this . even if you are going to do some DIY fluid is it a good idea to double check it with this.
    product is very easy to use glad I got it.

  • A+ By ak on 12/14/11
    ak would recommend this product to a friend
    Great product, I found that my readings were way off until I started using this product. ThankYou BRS!

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