Instant Ocean Testing Hydrometer for Aquariums, 1 count
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The Instant Ocean Testing Hydrometer for Aquariums makes the difficult task of reaching the correct salt level in your marine aquarium much easier. Maintaining the right level is vital to creating and maintaining a thriving marine environment. It’s important to make sure that synthetic sea salt is mixed in the proper ratio to mimic natural sea water. The Instant Ocean Testing Hydrometer is a precise, reliable tool that provides full-range salinity and specific gravity readings, and it’s accurate to ± 0.001. It’s simple to use and read with a clearly marked safe zone.
Key Benefits- Helps you reach correct salt level with a clear marked safe zone
- Makes the difficult task of reaching the correct salt level in your marine aquarium much easier to use and read
- Maintains the right level is vital to creating and maintaining a thriving marine environment
- Reliable tool that provides full-range salinity and specific gravity readings, and it’s accurate to ± 0.001
- Hands stay dry when filling while testing aquarium salt level and specific gravity
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Item Number100774
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Aquarium TypeSaltwater
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Fish TypeMarine Fish
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MaterialPlastic
Instructions:
Before use, condition hydrometer by soaking it in saltwater for 24 hours.
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Slowly fill the Instant Ocean Hydrometer by dipping bottom corner fill port below water surface until water flows up and over inner weir.
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Dislodge air bubbles by gently tapping hydrometer or pointer. Air bubbles on the pointer may result in inaccurate results.
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Place the hydrometer on a level surface and read specific gravity (inside scale) and salinity (outside scale).
Care:
Rinse thoroughly in freshwater after each use to prevent mineral/salt buildup which can affect accuracy. Salt and calcium deposits that accumulate on the pointer will result in incorrect results. If crystallization occurs inside the unit, soak in lukewarm water or vinegar for 30-minutes, rinse with freshwater and air dry.
Customer Reviews
25% Recommend
25% of reviewersrecommend this product
You've Already Reviewed This Item
4 Reviews
4 Reviews
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Struggling corals
By Fish on Jul 31, 2020
I ended up buying the hanna salinity reader after reading bad reviews from this product. Tested both of them next to each other and the hydrometer read lower 1.024 and my hanna read 1.026! Don't waste your money on this product or your corals and fish will struggle. I thought my salinity was great for my corals and now I see it's on the high side.
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not accurate
By susan on May 15, 2020
Cannot get close to the same reading twice in a row. Very disappointed. With having the Instant Ocean name, thought I was getting a quality product.
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Waste of money, realized after 3 uses
By Jhonny on Sep 21, 2018
Not very accurate, best get a refractometer for 7 to 10 dollars more... I'd return this hydrometer if my daughter didnt already destroy the packing.
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Great product
By Robin on Feb 18, 2017
We've had saltwater fish for years and instant ocean has the best products and affordable.
