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Coralife BioCube Mini Aquarium Hydrometer

2.1 out of 5 stars 13 customer reviews

Price: $10.99 & FREE Shipping on orders over $49. Details
Only 10 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Can remain submerged inside your aquarium or sump
  • Know your salinity in a glance
  • Compact design allows for discreet placement in the aquarium
  • Ideal for all saltwater aquariums and sumps
12 new from $9.27

$10.99 & FREE Shipping on orders over $49. Details Only 10 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Coralife BioCube Mini Aquarium Hydrometer
  • +
  • API Saltwater Master Test Kit
Total price: $40.00
Buy the selected items together

Product Description

Coralife BioCube Mini Hydrometer can remain submerged inside the aquarium for continuous monitoring of salt levels. Compact design allows for discreet placement and will not detract from the natural beauty of your reef or saltwater aqua scape Can be used in large or small saltwater aquariums and sumps.

Product Details

  • Product Dimensions: 3.9 x 1 x 6 inches ; 0.8 ounces
  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B00C95PY7I
  • Item model number: 100115642
  • Average Customer Review: 2.1 out of 5 stars  See all reviews (13 customer reviews)
  • Amazon Best Sellers Rank: #106,542 in Pet Supplies (See Top 100 in Pet Supplies)

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Not great if you have a lot of flow in your tank, I probably should have thought about that in the beginning. The needle moves with the current. The inside is one big cavity, with a faux bubble level type area at the top. Works OK when foray submerged, but the bubble slowly escapes as the product slides. Mine has fallen off the glass twice. Might work OK in tanks with less flow.
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I bought one of these several years ago and for some reason didn't keep using it. I was at the store the other day and figured "hey, that looks like a good idea. Why did I get rid of it?" And I bought it. Again. And it won't stick to my glass for even 5 minutes. WTH? Oh, THAT'S why I got rid of the first one.

The reading is approximately correct, so I can't complain about that. I just can't see what it reads with the darn thing laying face down in the sand.
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Verified Purchase
I bought this thing and threw it away three days later. It does not stick to the tank. I tried everything. If it is anywhere near the flow of water, the results are inaccurate. Not worth your money, time or frustration.
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Verified Purchase
Doesn't stay on the tank well & doesn't read anywhere bear accurate. We are no longer using this item. Good idea, but didn't work.
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Verified Purchase
suction cups released about a month after i bought it, and it is somewhere in my tank, i never found it?
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Verified Purchase
The suction cups are the worse! Every so often comes off the glass. I DONT RECOMMEND THIS PRODUCT!
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By BIGJ on February 12, 2015
Verified Purchase
JUNK FALLS OFF AND ENDS UP IN THE BOTTOM OF THE TANK ON DAILY BASIS
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