CaribSea Florida Crushed Coral, Geo-Marine Formula Sand 10 lb

$21.99  

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CaribSea

Geo-Marine: Florida Crushed Coral It’s the only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite or oyster shell. Eliminate chronic pH problems and provide maximum surface area for water purifying bacteria. CaribSea’s Florida Crushed Coral with aragonite allows an increase in bioload by up to 50% and it never needs replacement! Approx 2-5mm diameter (1/8 - 1/4”).

Sand Bed Calculator

Use our CaribSea-powered calculator to find out exactly how much sand you need.


Manufacturer Info

At CaribSea we take aquariums seriously. Since 1972 we have supplied hundreds of public aquariums, zoos, aquaculture facilities, public and private institutions, and hundreds of thousands of dedicated aquarists with the highest quality marine and freshwater products. CaribSea has been in the forefront of the principle that substrates are a piece of equirment, not just a decorative afterthought. Caribsea substrates are as precisely engineered as any piece of advanced equipment used by today`s hobbyists and professionals. CaribSea products are the chemical support, biological filtration, and biodiversity backbone for many of the most spectacular aquatic displays ever created. We are now celebrating our 35th year in the business, and our product line has continued to grow; making CaribSea your aragonite source and so much more.

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12 Reviewers (100%) would recommend this

Overall Rating:

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“Good stuff!”
5.0

I have been using this substrate for years and so far its the best ive used. Great substrate!

  • 1
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“Great Substrate”
4.5

Great product! Just wish it was precleaned at least a little.. There is so much powder and dirt in the bag.

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“Great once it's clean!!”
4.0

I purchased 55 pounds of the Florida Crushed Coral for my 40 gallon Cichlid tank. It was kinda a haste at first cause it took me 2 1/2 hours to wash all the silt and dust out of all 55 pounds. Once I got this in my tank it was still a little cloudy but cleared up in about a day. Other than the amoun...Read More

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“Too small fragments”
3.0

The ad says 2-5 mm diameter but it's very hard to find any 5 mm diameter pieces, it's mostly fine gravel. Not what I expected Shipping and customer service was great though

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“CaribSea Florida Crushed Coral”
5.0

upon reading all the different information on the web concerning cichlids, this product "CaribSea Florida Crushed Coralas" was recommended the most to provide good substance. as far as i can tell my cichlids are behaving very well and peaceful. so i'm very pleased. thank you

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“Works”
5.0

Bought this to help buffer my aquarium ph. Was always going acidic. Seems to work well with only a small amount in the filter.

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“good buy”
5.0

This is a great product. I used it on my freshwater aquarium to raise the pH and it is doing its job.

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