Top 10 Best Calcium For Reef Tank [Update 2022]

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You can trust our selection for Calcium For Reef Tank Reviews. Because We have worked hard studying and analyzing 53359 reviews for Calcium For Reef Tank and rating them. It was a difficult job to list only ten products for Calcium For Reef Tank where thousands of them available online. I hope it will help you to take final decision for Best Calcium For Reef Tank.

Comparison Chart for Best Calcium For Reef Tank

Our team scanned 53359 reviews before putting any suggestions for the Calcium For Reef Tank in this article.

NoProductScoreAction
1Red Sea Reef Foundation Test Kit - Calcium9.8Check Price on Amazon
2Reef Care Reef Foundation A-Calcium & Strontium - 16.9 oz. [Misc.]9.6Check Price on Amazon
3Seachem Reef Complete 500ml9.4Check Price on Amazon
4Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums9.4Check Price on Amazon
5Seachem Reef Calcium 500ml8.8Check Price on Amazon
6Reef Calcium, 2 L / 67.6 fl. oz8.4Check Price on Amazon
7API MARINE CALCIUM Reef Aquarium Calcium Solution 16-Ounce Bottle8.4Check Price on Amazon
8Seachem Reef Advantage Calcium 500gram8.4Check Price on Amazon
9Seachem Reef Calcium 250ml8.2Check Price on Amazon
10Brightwell Aquatics Reef Code B - Balanced Calcium and Alkalinity System for All Marine Fish & Reef Aquarium8.2Check Price on Amazon
Disclaimer: As an Amazon Associate I Earn from Qualifying Purchases. But that doesn't change the price.

Table Of Content:

1. Red Sea Reef Foundation Test Kit – Calcium

  • Saltwater Reef Foundation Pro Multi Test Kit
  • Includes High Accuracy Titration Tests For The Accurate Measurement Of The Elements Calcium, Magnesium And Alkalinity (KHz).
  • All of these elements need to be available in balanced proportions for sustainable successful coral health and growth.
  • This Test Kit Enables Accurate Dosing Of The Reef Foundation Supplements
  • Test Kit Includes 5Ppm 75-Test Calcium Pro, 0.

2. Reef Care Reef Foundation A-Calcium & Strontium – 16.9 oz. [Misc.]

  • Red Sea Foundation A aquarium supplement
  • Part of Red Sea’s Reef Care Program for optimal aquarium coral health
  • Contains blended salts of calcium and strontium in the ratio required by corals
  • Also contains magnesium, which helps support balanced formation of the coral skeleton
  • Add this liquid supplement to your aquarium daily to form the basic foundation of coral skeletons

3. Seachem Reef Complete 500ml

  • Liquid ionic calcium source
  • 160, 000 mg/L (most concentrated on the market) vs. 100, 000 mg/L
  • 100% soluble. Be wary of products that are Milky White or need to be shaken

4. Hanna Instruments HI758 Marine Calcium Checker Test Kit – Saltwater Aquariums

  • Easier to use and more accurate than chemical test kits, less expensive than professional testing
  • Accuracy +/-6 % of reading at 25 degree C / 77 degree F
  • Large LCD screen for readability
  • Auto shut-off to extend battery life
  • Operated by a single AAA battery

5. Seachem Reef Calcium 500ml

  • Liquid organic calcium source
  • Maintains calcium and accelerates Coral growth
  • Concentrated (50, 000 mg/L)

6. Reef Calcium, 2 L / 67.6 fl. oz

  • CONCENTRATED BLEND: Reef Calcium is a concentrated bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.
  • POLYGLUCONATE COMPLEXACTION: Increases the bioavailability of the calcium, provides a rich source of metabolic energy to help maintain peak coral growth, and it prevents calcium precipitation/alkalinity depletion.
  • ORGANIC CALCIUM: Reef Calcium Reef Calcium utilizes a chained organic calcium rather than an ionic calcium.
  • USE: Reef Calcium may be used alone to maintain calcium but will provide enhanced levels of coral growth when used in conjunction with an ionic calcium supplement such as Seachem’s Reef Complete or Reef Advantage Calcium.
  • DIRECTIONS: Add 1 capful (5 mL) per 80 L (20 US gallons) twice a week.

7. API MARINE CALCIUM Reef Aquarium Calcium Solution 16-Ounce Bottle

  • Contains one (1) API MARINE CALCIUM Reef Aquarium Calcium Solution 16-Ounce Bottle
  • For proper health and growth of corals
  • Natural source of calcium
  • Promotes vibrant colorations
  • Use whenever testing shows a calcium level below 400 ppm

8. Seachem Reef Advantage Calcium 500gram

  • Concentrated, powder ionic calcium
  • Maintains magnesium and strontium
  • Can be added directly to aquarium

9. Seachem Reef Calcium 250ml

  • CONCENTRATED BLEND: Reef Calcium is a concentrated bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.
  • POLYGLUCONATE COMPLEXACTION: Increases the bioavailability of the calcium, provides a rich source of metabolic energy to help maintain peak coral growth, and it prevents calcium precipitation/alkalinity depletion.
  • ORGANIC CALCIUM: Reef Calcium Reef Calcium utilizes a chained organic calcium rather than an ionic calcium.
  • USE: Reef Calcium may be used alone to maintain calcium but will provide enhanced levels of coral growth when used in conjunction with an ionic calcium supplement such as Seachem’s Reef Complete or Reef Advantage Calcium.
  • DIRECTIONS: Add 1 capful (5 mL) per 80 L (20 US gallons) twice a week.

10. Brightwell Aquatics Reef Code B – Balanced Calcium and Alkalinity System for All Marine Fish & Reef Aquarium

  • Simplifies calcium and alkalinity maintenance in your aquarium tank
  • The carbonate-bearing component of a two-part method for dosing calcium and carbonates in the same ratio as that found in natural seawater; to be used in conjunction with Reef Code A.
  • Benefits reef-building organisms such as corals, clams, and calcareous algae
  • Contains no phosphate, silicate, or organic material; Made in the USA

Calcium For Reef Tank Buying Guide


Does the thought of finding a great Calcium For Reef Tank stress you out? Has your mind been juggling between choices when it comes to buying Calcium For Reef Tank in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Calcium For Reef Tank for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Calcium For Reef Tank Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Calcium For Reef Tank in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Calcium For Reef Tank currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Calcium For Reef Tank brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Calcium For Reef Tank based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Calcium For Reef Tank before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Calcium For Reef Tank they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Calcium For Reef Tank, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Calcium For Reef Tank before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Calcium For Reef Tank will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Calcium For Reef Tank if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Calcium For Reef Tank on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Calcium For Reef Tank on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Calcium For Reef Tank featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.