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Continuum Calibration Standard
Continuum Calibration Standard
Continuum Calibration Standard
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Continuum Calibration Standard

Marsoni M251S
Sale price$14.95
Pay 4 payments of $3.74 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Continuum Calibration StandardThe Continuum advantage. Continuum Reagents Refractometer Calibration Standard is designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment. Directions and protocol. 1. Shake product well before using. 2. Clean Refractometer prism slide with fresh distilled water. 3. Dry completely with fresh soft clean cloth. Observe to make sure slide looks clean with no residue. 4.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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4.7 ★★★★★
Based on 2495 reviews
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D
Verified Purchase
Dors
Whiting, US
★★★★★ 5
Great job on getting this book published
Format: Paperback
I am looking forward to using this book with my great grandson out in the field to collect our States beautiful rocks. Very detailed and helpful, I don’t think I could have gotten a better book. Thanks for the hard work it took to write it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
L
Verified Purchase
Les Miller
Birmingham, US
★★★★★ 5
Rocks are clearly a beautiful part of Idaho
Format: Paperback
This is an excellent resource for the casual and hardened rock hound, or collectors of pretty things as they drive through Idaho.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2025
S
Verified Purchase
Steven G.
San Leandro, US
★★★★★ 5
Perfect Gift for a New Resident
Format: Paperback
This Guide is in a first rate series which is well researched, practical and informative. Highly recommended!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2024
B
Verified Purchase
Brenda
Fort Morgan, US
★★★★★ 4
Family healthy fun
Format: Paperback
Pretty good have had many adventures w his other books as well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2021
T
Verified Purchase
Toinette K Murphy
Louisville, US
★★★★★ 5
For the rock hound
Format: Paperback
A fun book for the rock hound. I recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025

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