E.S.V. Calcium Hydroxide 14 Oz.

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E.S.V. 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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Overall, others give this:

  • 4.7

16 Reviewers (94%) would recommend this

Overall Rating:

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5  Star
 14
4  Star
 1
3  Star
 0
2  Star
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1  Star
 1
 
“Great Value”
5
5.0
The product cannot be beat for the value. I have tried the more expensive products, and the results were the same in my opinion.
  • 1
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“E.S.V. Calcium Hydroxide”
5
5.0
Excellent product. I use it in a Kalk stirrer which is fed by an ATO. It helps keep crystal water clarity, enhances Calcium and dKH, lowers Phosphate, and stabilizes pH.
  • 1
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“great value”
5
5.0
This a great company they are the same people that make b-ionic they know what they're doing excellent quality
  • 1
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“Electonic Eng”
5
5.0
The calcium and alkalinity is perfes and the PH is 8.31.
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“esv calcium hydroxide”
5
5.0
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!!
  • 1
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“good product”
5
5.0
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”
5
5.0
great stuff i have 200 gl.reef tank it last about 6 mounts
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Overall, others give this:

  • 4.7

16 Reviewers (94%) would recommend this

Overall Rating:

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5  Star
 14
4  Star
 1
3  Star
 0
2  Star
 0
1  Star
 1
 

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