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Home » Saltwater Aquarium Supplies  » Testing Equipment  » Hydrometers & Refractometers  » Hydrometers  »  Instant Ocean SeaTest Hydrometer
Instant Ocean SeaTest Hydrometer

Instant Ocean SeaTest Hydrometer

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Item #:
AS2141
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MSRP: $14.99
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Instant Ocean SeaTest Hydrometer Information




Instant Ocean Hydrometer`s new improved design delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - every time. Easy-fill convenience keeps hands dry when filling. It has a durable, permanent needle mount and easy-read 2-color scale with "safe zone" and an extra-wide stabilizer base. Ideal for use in water temperatures of 68 - 85°F.




Manufacturer Info

Instant Ocean Aquarium Supplies
Instant Ocean is one of the aquarium industry`s most trusted brands of marine salt. Instant Ocean products are designed for aquarists who wish to re-create a thriving ocean habitat in their own home. Instant Ocean Sea Salt is one of the most popular brands on the market and is used by public aquariums, zoos and marine adventure parks throughout the country. Instant Ocean continually refines both the ingredients and the manufacturing process of their salt mix to make sure every necessary major and minor trace element is present in every single batch.

Instant Ocean SeaTest Hydrometer Reviews



Average Rating
(17 reviews)
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Good

by
Reviewers Rating Great


Posted: 3/26/2014 from Novi, MI UNITED STATES
4.0 5
Experience Level: Intermediate


Comments: I have used this type of hydrometer in the past and continue to use it as a cheap backup. These instruments are fairly accurate and good to have around. I always check against a refractometer to determine how close the hydrometer is. I have not seen one that has been right on and I have seen some as far off as 1.005 from actual...that is enough to upset certain inverts and species sensative to salinity. Good product for what it is. Thanks MarineDepot for the great service


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Great item for price

by
Reviewers Rating Excellent!


Posted: 3/6/2014 from Forest Hills, NY UNITED STATES
5.0 5
Experience Level: Expert


Comments: I have been able to keep my livestock healthy for at least 10 years using this product. While not as accurate as a refractometer, it's very close. I have two of these and they test only about .002 higher than the refractometer. For the price and ease of use it's a great way to get started and keep your hands dry. Clean up with tap water is a breeze. Also this item is very easy to read without glasses or bright lights. Some other reviews claim this item was reading way off in terms of accuracy. These can get clogged up with salt if water is left too long...Also this item requires a seasoning period for about 24 hours...You put salt water in there for a day before normal use...do this only when you first get it or after a harsh cleaning. Great product


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Ok to start with

by
Reviewers Rating Average


Posted: 8/9/2013 from Tahlequah, OK UNITED STATES
3.0 5
Experience Level: Beginner


Comments: I got this because I was trying to get by cheaply to start my aquarium but after much review I have found that it would me much better to have a refractometer.


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Gets the job done.

by
Reviewers Rating Great


Posted: 7/3/2012 from TRAVERSE CITY, MI UNITED STATE
4.0 5
Experience Level: Beginner


Comments: Mine worked great, I have a Digital refractometer as well and have tested it against the more accurate refractometer and was always dead on. The big complaint is you have to slowly fill it and then knock the bubbles off, and there is always a bubble or two that doesn't want to let go leaving me fighting to get it off. If you can't afford a refractometer (I highly recommend the Milwaukee) I would highly recommend this product otherwise buy a digital and save yourself some time and probably money as you may end up buying one anyways. Otherwise this hydrometer gets the job done as long as you follow the directions.


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Instant Ocean SeaTest Hydromet

by
Reviewers Rating Average


Posted: 7/7/2010 from FORT LORAMIE, OH UNITED STATES
3.0 5
Experience Level: Intermediate


Comments: is a good product


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Stay Away

by
Reviewers Rating Unsatisfactory


Posted: 6/8/2009 from KISSIMMEE, FL UNITED STATES
1.0 5
Experience Level: Beginner


Comments: This is a Lemon stay away. after taking it home and trying it i found it was way off from 4 other tests on the same water sample. when they read 2.24 it read over 3.0. and severl stores told me after the fact they stopped carrying this because that very reason.


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Good Product

by
Reviewers Rating Great


Posted: 1/16/2009 from SAINT PAUL, MN UNITED STATES
4.0 5
Experience Level: Intermediate


Comments: It gets the job done but is no refractometer!


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Effective

by
Reviewers Rating Great


Posted: 5/16/2008 from HUDSON, OH UNITED STATES
4.0 5
Experience Level: Expert


Comments: Use correctly for best results. Rinse in fresh water, fill slowly to eliminate bubbles. Tap before you read. I have had this hydrometer for 15 years and test everyday. I consistently get results that have been confirmed with other arm reading devices. Refraction is best...however this one is an easy to use, suitable for daily use tool.


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Great once you get hang of it

by
Reviewers Rating Excellent!


Posted: 5/9/2008 from Massachusetts
5.0 5
Experience Level: Intermediate


Comments: I bought this hydrometer, and at first had problems with getting inconsistent and high readings. The trick is learning how to get the water in without bubbles sticking to the pointer. If you slowly lower it into the water with the semicircular part facing down (i.e. long flat side on top), then rotate it into the vertical position while underwater, then gently take it out, it comes out bubble free and quite accurate (I found it consistently reading 0.001 lower than a refractometer). So for the money, it is great, unfortunately it is not operator error proof.


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Instant Ocean Hydrometer

by
Reviewers Rating Below Average


Posted: 4/11/2008 from OAK BLUFFS, MA UNITED STATES
2.0 5
Experience Level: Intermediate


Comments: Right from the first time I used it,,it is constantly reading high,,,compared to 3 other units ,,and an electronic unit,,,,I can't trust it....oh well ,,live and learn,,,,Laurence Schaeffer


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