CaribSea Florida Crushed Coral, Geo-Marine Formula Sand

From $18.69

5% Rewards:

93 $0.93 off a Future Purchase

Please make a selection

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.

Ask a Question Earn 25 Points when you ask or answer a question
Sort By :
 
9 Questions
Displaying questions 1-9
 
 
Write Your Review Earn 25 Points when you write a review
Sort by:
 

Overall, others give this:

  • 4.7

12 Reviewers (100%) would recommend this

Overall Rating:

download image
5  Star
 9
4  Star
 1
3  Star
 1
2  Star
 0
1  Star
 0
 
5
5.0
Good stuff!

reviewerbadge
REVIEW
I have been using this substrate for years and so far its the best ive used. Great substrate!
  • 1
Was this review helpful: Yes(1)No(0)
 
 
 
4.5
4.5
Great Substrate

reviewerbadge
PROS
great for cichlids
CONS
is not pre washed
REVIEW
Great product! Just wish it was precleaned at least a little.. There is so much powder and dirt in the bag.
  • 1
Was this review helpful: Yes(1)No(0)
 
 
 
4
4.0
Great once it's clean!!

reviewerbadge
REVIEW
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
  • 1
Was this review helpful: Yes(4)No(0)
 
 
 
3
3.0
Too small fragments

reviewerbadge
REVIEW
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
  • 1
Was this review helpful: Yes(3)No(0)
 
 
 
5
5.0
CaribSea Florida Crushed Coral

reviewerbadge
REVIEW
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
  • 1
Was this review helpful: Yes(0)No(0)
 
 
 
5
5.0
Works

reviewerbadge
REVIEW
Bought this to help buffer my aquarium ph. Was always going acidic. Seems to work well with only a small amount in the filter.
  • 1
Was this review helpful: Yes(3)No(0)
 
 
 
5
5.0
good buy

reviewerbadge
REVIEW
This is a great product. I used it on my freshwater aquarium to raise the pH and it is doing its job.
  • 1
Was this review helpful: Yes(5)No(0)
 
 
 
Write Your Review Earn 25 Points when you write a review
Sort by:
 

Overall, others give this:

  • 4.7

12 Reviewers (100%) would recommend this

Overall Rating:

download image
5  Star
 9
4  Star
 1
3  Star
 1
2  Star
 0
1  Star
 0
 

Free, Fast, and Flexible Shipping Options

  • Most products ship free—no minimum purchase required

    We ship 99% of the products we carry for free within the contiguous United States using a mix of economy methods including USPS First Class Mail, SurePost and UPS Ground. Your order will arrive in 5-7 business days.

  • upgrade your shipping for only $4.99—free upgrade for orders $199+

    Over 90% of our members receive their orders within 2 business using UPS Ground. Upgrade from free economy shipping to UPS Ground for only $4.99—or spend $199 and we’ll upgrade you automatically!

  • need your order even faster? no problem!

    Expediated shipping services are available for most products if you are in a hurry. Get guaranteed delivery in 2 business days, 1 business day, or next day by 10:30 am. Costs vary by location.

  • buy it today and we'll ship it today

    Same-day shipping is available Monday-Friday for most products—place your order by 10 am PST. Pre-ordered and back-ordered items do not qualify, nor do drop-shipped, live, or frozen shipments.

Learn More About Shipping

60-Day Return Period with Easy Online Returns

Return any new and unused item within 60 days for a full refund. Having difficulty with a product? Contact us to speak with an aquarium expert. If you need a replacement, fill out this form.

A small segment of the 180+ brands we carry require that customers contact them directly if/when problems arise. You can view the full list of those brands and get their contact info here.

Marine Depot is an authorized reseller for every product we carry. That means when you buy aquarium supplies from us, your products are not only backed by our own 60-day return policy, they also carry full factory warranties, where applicable. Some items have a 1-year warranty, others have limited lifetime warranties. Warranty coverage varies from manufacturer to manufacturer, so please read the product description of the item(s) you are considering thoroughly for details or contact us if you have warranty questions.

Learn More About Returns

Earn 5% Cash Back for Most Purchases

Rack up reward points to earn discounts on future purchases! You can earn reward points by creating an account, writing reviews, referring friends, subscribing to our newsletter, buying products, and more!

  • Most Products
    Earn 5 reward points for every $1 you spend to get 5% cash back
  • Marine Depot, AquaMaxx, Accel Aquatics, and Korallin
    Earn 6 reward points for every $1 you spend to get 6% cash back
  • Aqua Illumination, EcoTech Marine, Nano Box, Neptune Systems, NYOS, Oceanbox Designs, Pax Bellum, and Reef Glass
    Earn 1 reward point for every $1 you spend to get 1% cash back

You can also get bonus reward points by purchasing select items during special sales and promotions.

Learn More About Rewards

Customers Who Viewed This Item Also Viewed