Instant Ocean Hydrometer is accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, the Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - and does it each time, every time.
DISCLAIMER: The results described on the testimonials on this site, are the individual experiences and personal opinions of those who have purchased and used the products. These testimonials are not intended to make any claims that the products can be used to diagnose, treat, mitigate, cure or prevent any disease or medical condition.Click here to see all reviews
Satisfying. by pete from ca12/24/2012
Fast delivery. Good pricing. The web page is accessible easily.
Value by Scitech04/17/2012
I looked everywhere on line for hydrometers for our year 12 biology students to use for their rocky shore assessment. This was the best value for money I could find.