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Home » Aquarium Supplies  » Additives & Supplements  » Reef Care Additives  »  E.S.V. Calcium Hydroxide 14 Oz.
E.S.V. Calcium Hydroxide 14 Oz.

E.S.V. Calcium Hydroxide 14 Oz.

In Stock: Order by 2PM EST for same-day shipping (M-F only)
Item #:
EV2101
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MSRP: $14.99
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E.S.V. Calcium Hydroxide 14 Oz. Information




Calcium Hydroxide is the proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert dissolved CO2 into bicarbonate and carbonate ions, which are also directly used by calcifying organisms. The net result is no ionic imbalances in the aquarium water, which can occur through the prolonged use of other calcium supplements, such as calcium chloride. This product is extremely pure and meets American Water Works and Water Chemicals Codex Specifications. This means it`s pure enough to be used in low-levels as potable water additive by water municipalities. Due to the high pH of Calcium Hydroxide solutions, it`s important to add slowly ("dripping" is best) to your system so as to prevent localized precipitation and the resultant loss of alkalinity. Use two teaspoons of Calcium Hydroxide Powder per gallon of top-off fresh water.




Manufacturer Info

E.S.V. Aquarium Supplies
E.S.V. Aquarium Products is a Hicksville, New York based aquarium supply company that specializes in the production of aquarium additives and supplements. Their 2-part B-Ionic Calcium Buffer System is a staple in the marine aquarium hobby and is the company`s flagship product, earning favorable reviews and rankings from hobbyists of all levels of experience. Their additives are known for being affordable, easy to administer and chemically sound. E.S.V. recently released a spray dried phytoplankton that eliminates the need to culture live phytoplankton. Granular activated carbon, coral glue, salt mix and various other supplements round out their product offerings.
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E.S.V. Calcium Hydroxide 14 Oz. Reviews



Average Rating
(14 reviews)
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great value

by
Reviewers Rating Excellent!


Posted: 1/18/2014 from Rochester, NY UNITED STATES
4.5 5
Experience Level: Intermediate


Comments: This a great company they are the same people that make b-ionic they know what they're doing excellent quality


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Electonic Eng

by
Reviewers Rating Excellent!


Posted: 3/8/2013 from BROKEN ARROW, OK UNITED STATES
5.0 5
Experience Level: Expert


Comments: The calcium and alkalinity is perfes and the PH is 8.31.


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esv calcium hydroxide

by
Reviewers Rating Excellent!


Posted: 9/16/2012 from CLINTON, OH UNITED STATES
4.5 5
Experience Level: Intermediate


Comments: This is a great product it keeps my calcium where it needs to be with the correct dose this is some powerful stuff so read carefully!!! And it also helps with my ph I had trouble with keeping my ph above 8.0 and now its steady at 8.25 can't complain!!


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good product

by
Reviewers Rating Excellent!


Posted: 10/14/2011 from SANTA ROSA, CA UNITED STATES
5.0 5
Experience Level: Expert


Comments: better than most brands i've tried in the past. disolves well with minimal residual. highly recommend it


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E.S.V. Calcium Hydroxide

by
Reviewers Rating Excellent!


Posted: 10/9/2011 from OCALA, FL UNITED STATES
5.0 5
Experience Level: Expert


Comments: great stuff i have 200 gl.reef tank it last about 6 mounts


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ESV Kalk

by
Reviewers Rating Great


Posted: 8/17/2011 from PEMBROKE PINES, FL UNITED STAT
4.0 5
Experience Level: Intermediate


Comments: Good stuff!


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Great with B-Ionic 2Pt.

by
Reviewers Rating Excellent!


Posted: 8/1/2009 from PARAMOUNT, CA UNITED STATES
5.0 5
Experience Level: Expert


Comments: I have a 180 gallon Reef tank and this product really works great with the B-Ionic 2-Part Calcium Buffer. The Calcium Hydroxide is a perfect match for the 2-Part. I have never had my corals look so good. Please note that a review stated that the ESV Calcium Hydroxide is not the correct product. It is the real deal because Calcium Hydroxide is Ca(OH)2. Ca(OH) does not exist as a solid. One calcium ion (Ca++) has a double positive charge while a hydroxide ion ([OH]-) contains one negative charge. This means 2 hydroxide ions must be coupled with the one calcium ion to balance the charge.


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wrong

by
Reviewers Rating Unsatisfactory


Posted: 2/26/2009 from PENDLETON, OR UNITED STATES
1.0 5
Experience Level: Expert


Comments: product its actually calcium dihrydroxide there is a difference. Ca(OH) is calcium hydroxide this is Ca(OH)2 itll cost me as much as the thing cost to return it.


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good stuff

by
Reviewers Rating Excellent!


Posted: 10/31/2008 from WEST WARWICK, RI UNITED STATES
5.0 5
Experience Level: Expert


Comments: esv is great. I always buy their products.


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Great!

by
Reviewers Rating Excellent!


Posted: 8/20/2008 from RICHMOND, TX UNITED STATES
5.0 5
Experience Level: Expert


Comments: I have been using this product for many years as a top off on my SPS dominated Reef!


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